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Ultra Spring Extension Coil Spring

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Standard springs that are produced by accurate quality control.
These springs are controlled by measuring loading at two points: allowable load and independently established standard load—in addition to the required dimensions.
All products have lot numbers and full traceability.

(i)Caution

The minimum order quantity varies depending on the selected model. For details, please check the quotation/order screen.
Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.

Part Number

Configured Part Number is shown.

Product Specifications
Part Numbers
Catalog

: 30; 45; 60

Part Number
DE151
DE152
DE153
DE154
DE155
DE156
DE158
DE160
DE161
DE162
DE163
DE164
DE165
DE166
DE167
DE169
DE170
DE171
DE172
DE177
DE178
DE179
DE181
DE182
DE183
DE184
DE185
DE186
DE187
DE188
DE189
DE190
DE191
DE192
DE193
DE194
DE195
DE196
DE197
DE198
DE199
DE200
DE201
DE202
DE203
DE204
DE205
DE207
DE211
DE212
DE215
DE216
DE217
DE218
DE219
DE220
DE221
DE222
DE224
DE226

Standard Unit Price	Minimum order quantity	Days to Ship	RoHS	Free Length Lf (mm)	O.D. OD (Ø)	Allowable Load(Range Specification) (N)	Wire diameter d (Ø)	Material	Length L2 in Allowable Load (mm)	Spring Constant K (N/mm)	Allowable Load P2 (N)	Initial Tension Pi (N)	Total coils Nt	Maximum Elastic Curve Equation (mm)	Load Length L1 (mm)	Reference load P1 (N)	Coil Center Diameter D (Ø)	Ordering Unit (piece)
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	8	2.25	1.26~3.50	0.25	SUS304WPB	11.5	0.271	1.37	0.392	15.5	3.5	9.85	0.89	2	-
MYR 7.87	1 Piece(s)	4 Day(s) or more	10	9	2.25	1.26~3.50	0.25	SUS304WPB	13.5	0.215	1.37	0.392	19.5	4.5	11.33	0.89	2	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	10.2	2.25	1.26~3.50	0.25	SUS304WPB	15.9	0.171	1.37	0.392	24.5	5.7	13.12	0.89	2	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	11.9	2.25	1.26~3.50	0.25	SUS304WPB	19.3	0.133	1.37	0.392	31.5	7.4	15.66	0.89	2	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	13.9	2.25	1.26~3.50	0.25	SUS304WPB	23.1	0.106	1.37	0.392	39.5	9.2	18.62	0.89	2	-
MYR 7.87	1 Piece(s)	4 Day(s) or more	10	16.4	2.25	1.26~3.50	0.25	SUS304WPB	28	0.084	1.37	0.392	49.5	11.6	22.31	0.89	2	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	24	2.25	1.26~3.50	0.25	SUS304WPB	42.5	0.053	1.37	0.392	79.5	18.5	33.49	0.89	2	-
MYR 7.87	1 Piece(s)	4 Day(s) or more	10	7.2	2.25	1.26~3.50	0.25	SUS304WPB	10.1	0.335	1.37	0.392	12.5	2.9	8.69	0.89	2	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	11.8	4.32	1.26~3.50	0.32	SUS304WPB	21	0.134	1.52	0.255	10.5	9.2	16.78	0.92	4	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	12.4	4.32	1.26~3.50	0.32	SUS304WPB	23.5	0.113	1.52	0.255	12.5	11.1	18.33	0.92	4	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	13.4	4.32	1.26~3.50	0.32	SUS304WPB	27.1	0.09	1.52	0.255	15.5	13.7	20.75	0.92	4	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	14.6	4.32	1.26~3.50	0.32	SUS304WPB	32	0.073	1.52	0.255	19.5	17.4	23.85	0.92	4	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	16.2	4.32	1.26~3.50	0.32	SUS304WPB	38.1	0.058	1.52	0.255	24.5	21.9	27.82	0.92	4	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	18.5	4.32	1.26~3.50	0.32	SUS304WPB	46.7	0.045	1.52	0.255	31.5	28.2	33.44	0.92	4	-
MYR 5.22	20 Piece(s)	4 Day(s) or more	10	21	4.32	1.26~3.50	0.32	SUS304WPB	56.4	0.035	1.52	0.255	39.5	35.4	39.74	0.92	4	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	28.4	4.32	1.26~3.50	0.32	SUS304WPB	84.5	0.023	1.52	0.255	62.5	56.1	58.05	0.92	4	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	33.8	4.32	1.26~3.50	0.32	SUS304WPB	105.2	0.018	1.52	0.255	79.5	71.4	71.51	0.92	4	-
MYR 7.87	1 Piece(s)	4 Day(s) or more	10	8.1	1.85	1.26~3.50	0.25	SUS304WPB	10.6	0.42	1.67	0.588	19.5	2.5	9.36	1.12	1.6	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	9.3	1.85	1.26~3.50	0.25	SUS304WPB	12.5	0.334	1.67	0.588	24.5	3.2	10.89	1.12	1.6	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	23.1	1.85	1.26~3.50	0.25	SUS304WPB	33.5	0.103	1.67	0.588	79.5	10.4	28.24	1.12	1.6	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	5.8	1.85	1.26~3.50	0.25	SUS304WPB	7.2	0.78	1.67	0.588	10.5	1.4	6.48	1.12	1.6	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	6.3	1.85	1.26~3.50	0.25	SUS304WPB	7.9	0.654	1.67	0.588	12.5	1.6	7.11	1.12	1.6	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	10	3.52	1.26~3.50	0.32	SUS304WPB	15.3	0.265	1.86	0.431	10.5	5.3	12.77	1.16	3.2	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	10.6	3.52	1.26~3.50	0.32	SUS304WPB	17	0.216	1.86	0.431	12.5	6.4	13.9	1.16	3.2	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	11.6	3.52	1.26~3.50	0.32	SUS304WPB	19.6	0.177	1.86	0.431	15.5	8	15.7	1.16	3.2	-
MYR 5.22	20 Piece(s)	4 Day(s) or more	10	12.9	3.52	1.26~3.50	0.32	SUS304WPB	22.9	0.137	1.86	0.431	19.5	10	18.05	1.16	3.2	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	14.5	3.52	1.26~3.50	0.32	SUS304WPB	27.1	0.108	1.86	0.431	24.5	12.6	20.97	1.16	3.2	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	16.7	3.52	1.26~3.50	0.32	SUS304WPB	33	0.088	1.86	0.431	31.5	16.3	25.02	1.16	3.2	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	19.3	3.52	1.26~3.50	0.32	SUS304WPB	39.7	0.069	1.86	0.431	39.5	20.4	29.74	1.16	3.2	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	22.5	3.52	1.26~3.50	0.32	SUS304WPB	48.2	0.059	1.86	0.431	49.5	25.7	35.58	1.16	3.2	-
MYR 7.87	1 Piece(s)	4 Day(s) or more	10	26.6	3.52	1.26~3.50	0.32	SUS304WPB	59.1	0.044	1.86	0.431	62.5	32.5	43.12	1.16	3.2	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	32.1	3.52	1.26~3.50	0.32	SUS304WPB	73.4	0.034	1.86	0.431	79.5	41.3	53.11	1.16	3.2	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	14.7	5.4	1.26~3.50	0.4	SUS304WPB	26.5	0.168	2.4	0.392	10.5	11.8	20.91	1.43	5	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	15.5	5.4	1.26~3.50	0.4	SUS304WPB	29.6	0.14	2.4	0.392	12.5	14.1	22.89	1.43	5	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	16.7	5.4	1.26~3.50	0.4	SUS304WPB	34.2	0.114	2.4	0.392	15.5	17.5	25.87	1.43	5	-
MYR 5.22	20 Piece(s)	4 Day(s) or more	10	18.3	5.4	1.26~3.50	0.4	SUS304WPB	40.4	0.09	2.4	0.392	19.5	22.1	29.83	1.43	5	-
MYR 5.22	20 Piece(s)	4 Day(s) or more	10	20.3	5.4	1.26~3.50	0.4	SUS304WPB	48.1	0.072	2.4	0.392	24.5	27.8	34.79	1.43	5	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	23.1	5.4	1.26~3.50	0.4	SUS304WPB	58.9	0.056	2.4	0.392	31.5	35.8	41.73	1.43	5	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	26.3	5.4	1.26~3.50	0.4	SUS304WPB	71.3	0.044	2.4	0.392	39.5	45	49.66	1.43	5	-
MYR 5.22	20 Piece(s)	4 Day(s) or more	10	30.3	5.4	1.26~3.50	0.4	SUS304WPB	86.7	0.035	2.4	0.392	49.5	56.4	59.58	1.43	5	-
MYR 5.22	20 Piece(s)	4 Day(s) or more	10	35.6	5.4	1.26~3.50	0.4	SUS304WPB	106.8	0.028	2.4	0.392	62.5	71.2	72.57	1.43	5	-
MYR 5.22	20 Piece(s)	4 Day(s) or more	10	42.3	5.4	1.26~3.50	0.4	SUS304WPB	133	0.023	2.4	0.392	79.5	90.7	89.33	1.43	5	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	8.5	2.82	1.26~3.50	0.32	SUS304WPB	11.4	0.549	2.3	0.657	10.5	2.9	10	1.48	2.5	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	9.1	2.82	1.26~3.50	0.32	SUS304WPB	12.6	0.461	2.3	0.657	12.5	3.5	10.89	1.48	2.5	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	10.1	2.82	1.26~3.50	0.32	SUS304WPB	14.4	0.373	2.3	0.657	15.5	4.3	12.32	1.48	2.5	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	11.3	2.82	1.26~3.50	0.32	SUS304WPB	16.8	0.294	2.3	0.657	19.5	5.5	14.09	1.48	2.5	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	12.9	2.82	1.26~3.50	0.32	SUS304WPB	19.9	0.235	2.3	0.657	24.5	7	16.4	1.48	2.5	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	17.7	2.82	1.26~3.50	0.32	SUS304WPB	28.9	0.147	2.3	0.657	39.5	11.2	23.35	1.48	2.5	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	40.1	4.4	1.26~3.50	0.4	SUS304WPB	91.3	0.043	2.89	0.677	79.5	51.2	65.77	1.78	4	-
MYR 5.22	20 Piece(s)	4 Day(s) or more	10	12.5	4.4	1.26~3.50	0.4	SUS304WPB	19.1	0.324	2.89	0.677	10.5	6.6	15.89	1.78	4	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	16.1	4.4	1.26~3.50	0.4	SUS304WPB	28.5	0.177	2.89	0.677	19.5	12.4	22.4	1.78	4	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	18.1	4.4	1.26~3.50	0.4	SUS304WPB	33.8	0.137	2.89	0.677	24.5	15.7	26.01	1.78	4	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	20.9	4.4	1.26~3.50	0.4	SUS304WPB	41.1	0.108	2.89	0.677	31.5	20.2	31.07	1.78	4	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	24.1	4.4	1.26~3.50	0.4	SUS304WPB	49.4	0.088	2.89	0.677	39.5	25.3	36.85	1.78	4	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	28.1	4.4	1.26~3.50	0.4	SUS304WPB	59.9	0.069	2.89	0.677	49.5	31.8	44.08	1.78	4	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	33.3	4.4	1.26~3.50	0.4	SUS304WPB	73.5	0.055	2.89	0.677	62.5	40.2	53.48	1.78	4	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	10.2	2.32	1.26~3.50	0.32	SUS304WPB	13.3	0.579	2.79	1.01	19.5	3.1	11.65	1.84	2	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	8.9	2.32	1.26~3.50	0.32	SUS304WPB	11.4	0.726	2.79	1.01	15.5	2.5	10.05	1.84	2	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	14.1	2.32	1.26~3.50	0.32	SUS304WPB	19	0.353	2.79	1.01	31.5	4.9	16.43	1.84	2	-
MYR 7.87	20 Piece(s)	4 Day(s) or more	10	19.8	2.32	1.26~3.50	0.32	SUS304WPB	27.6	0.226	2.79	1.01	49.5	7.8	23.47	1.84	2	-

Product TOP

Basic Information

Hook Facing Angle	180°	Hook Type	Reverse Hook

Configure

124 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Free Length Lf(mm)
2.7

2.9

3.1

3.2

3.3

3.5

3.6

3.7

3.9

4

4.1

4.3

4.4

4.5

4.6

4.8

4.9

5

5.2

5.4

5.5

5.6

5.7

5.8

5.9

6

6.2

6.3

6.4

6.5

6.6

6.7

6.8

7

7.1

7.2

7.3

7.4

7.5

7.7

7.8

7.9

8

8.1

8.2

8.3

8.4

8.5

8.6

8.7

8.9

9

9.1

9.2

9.3

9.4

9.5

9.6

9.7

9.8

10

10.1

10.2

10.3

10.4

10.5

10.6

10.7

10.8

10.9

11

11.1

11.2

11.3

11.5

11.6

11.7

11.8

11.9

12

12.1

12.3

12.4

12.5

12.6

12.7

12.8

12.9

13

13.1

13.2

13.3

13.4

13.7

13.8

13.9

14

14.1

14.2

14.3

14.4

14.5

14.6

14.7

14.8

14.9

15

15.1

15.2

15.3

15.5

15.6

15.8

15.9

16

16.1

16.2

16.3

16.4

16.5

16.6

16.7

16.8

16.9

17.1

17.2

17.3

17.5

17.6

17.7

17.8

17.9

18.1

18.2

18.3

18.4

18.5

18.6

18.7

18.9

19

19.1

19.2

19.3

19.4

19.5

19.7

19.8

19.9

20

20.1

20.2

20.3

20.4

20.5

20.6

20.8

20.9

21

21.1

21.3

21.4

21.6

21.7

22.2

22.3

22.4

22.5

22.6

22.8

22.9

23

23.1

23.2

23.4

23.5

23.6

23.7

23.9

24

24.1

24.2

24.3

24.4

24.6

24.7

24.8

24.9

25

25.2

25.3

25.4

25.5

25.6

25.9

26

26.1

26.2

26.3

26.5

26.6

26.9

27.2

27.4

27.6

27.7

27.9

28

28.1

28.2

28.3

28.4

28.5

28.6

28.9

29

29.1

29.2

29.3

29.4

29.5

29.6

29.7

29.9

30

30.1

30.3

30.7

30.9

31

31.2

31.3

31.5

31.7

31.9

32.1

32.2

32.4

32.5

32.6

32.7

32.9

33

33.3

33.4

33.6

33.7

33.8

34.3

34.6

35.1

35.2

35.4

35.5

35.6

35.7

35.9

36.1

36.2

36.3

36.5

36.6

36.7

36.8

36.9

37.2

37.3

37.5

37.6

38

38.1

38.2

38.3

38.4

38.7

38.8

38.9

39.1

39.2

39.3

39.4

39.6

39.8

40.1

40.3

40.5

40.6

40.9

41.1

41.3

41.4

41.6

41.7

41.8

42.3

42.4

42.7

42.9

43

43.4

43.5

44.2

44.4

44.5

44.6

44.7

44.9

45.3

45.6

45.7

45.8

46.1

46.2

46.4

46.5

46.7

46.8

46.9

47.3

47.4

47.9

48

48.2

48.6

49.3

49.6

50.1

50.4

50.6

50.7

50.8

50.9

51.1

51.3

51.5

51.7

52.1

52.2

52.3

52.4

52.5

52.6

53

53.1

53.3

53.7

53.8

54.9

55.2

55.5

55.7

55.9

56

56.1

56.2

56.6

56.8

57

57.8

58.1

58.4

58.6

58.9

59

59.3

59.4

60

60.1

60.3

60.5

60.6

61.1

61.3

61.7

62.1

62.2

62.6

63.1

63.2

63.4

63.6

63.8

64.1

64.3

64.5

64.7

64.8

65.3

65.4

65.5

65.8

66.1

66.6

66.9

67.2

68.2

68.6

69.3

69.9

70.5

70.8

70.9

71

71.4

71.8

72.2

72.3

72.5

72.6

73.1

73.2

73.3

73.6

74.1

74.2

75.2

75.4

75.8

76

76.5

76.7

77.4

77.6

77.8

78

78.2

78.5

78.9

79.7

80.2

80.6

80.7

80.9

81.3

81.8

82

82.4

82.6

83.1

83.2

83.3

83.6

83.7

84.6

85.3

85.7

86.2

86.6

87.9

88.1

88.8

89.3

89.7

90.5

90.6

90.7

91.6

92.5

92.9

93.4

93.6

94.2

94.9

95.6

95.8

96.5

98.6

98.7

100.2

100.3

100.7

101.6

101.8

102.2

103.2

104.1

104.6

104.7

104.8

105.3

105.8

106.1

107.4

109

110.9

111.7

111.8

112.5

113.2

115.5

115.6

115.7

116.1

116.2

117.9

118.6

119.7

120

120.1

120.6

121.3

122.1

123.2

124.1

125.4

125.6

128.6

130.7

130.9

131.6

131.8

133.1

133.3

138.6

139.7

140.6

141.6

142.1

142.9

144.6

146.1

147.3

148.2

150.1

150.4

150.7

151.6

152.8

153.4

155.9

157.8

160.5

162.2

164.7

166.1

166.6

169.3

175.7

177.6

178.6

180.7

184.1

188.4

191.8

197.2

200.6

208.2

211.6

223.2

223.6

239.7

250.7

266.1
Clear
O.D. OD(Ø)
0.9

1.1

1.12

1.3

1.32

1.36

1.4

1.72

1.76

1.8

1.85

1.92

2

2.16

2.2

2.25

2.32

2.4

2.5

2.7

2.75

2.82

2.9

3

3.2

3.45

3.52

3.6

3.7

3.83

4

4.32

4.4

4.5

4.63

4.8

5

5.4

5.5

5.63

5.8

6

6.3

6.8

6.93

7.1

7.3

7.55

8

8.63

8.8

9

9.25

9.6

10

10.8

11

11.25

11.6

12

12.5

13.5

13.75

14.1

14.5

15

16

17.25

17.6

18

18.5

20

21.6

22

22.5

27

27.5

34.5
Clear
Wire diameter d(Ø)
0.1

0.12

0.16

0.2

0.23

0.25

0.26

0.29

0.32

0.35

0.4

0.45

0.5

0.55

0.6

0.63

0.65

0.7

0.8

0.9

1

1.2

1.25

1.4

1.6

1.8

2

2.5
Clear
Material
- SUS304WPB
- SWP-B
Clear
Length L2 in Allowable Load(mm)
3.7

4.1

4.7

4.9

5.2

5.4

5.5

5.9

6.1

6.2

6.5

6.9

7

7.2

7.3

7.5

7.9

8

8.1

8.2

8.3

8.7

8.8

9.2

9.4

9.5

9.6

9.8

9.9

10

10.1

10.2

10.5

10.6

10.9

11

11.1

11.2

11.3

11.4

11.5

11.6

11.7

11.8

11.9

12

12.1

12.4

12.5

12.6

12.8

13

13.1

13.3

13.4

13.5

13.7

14

14.1

14.2

14.4

14.6

14.8

15

15.1

15.2

15.3

15.4

15.5

15.9

16

16.1

16.5

16.6

16.8

17

17.1

17.4

17.5

17.7

17.8

18.1

18.3

18.5

18.7

18.8

18.9

19

19.1

19.2

19.3

19.4

19.5

19.6

19.8

19.9

20.1

20.5

20.6

20.8

20.9

21

21.1

21.3

21.4

21.6

21.7

21.9

22.2

22.5

22.8

22.9

23.1

23.2

23.5

23.6

23.7

23.8

23.9

24

24.1

24.4

24.5

24.7

24.8

25

25.3

25.4

25.5

25.6

25.7

25.8

25.9

26

26.4

26.5

26.6

26.7

27

27.1

27.2

27.6

28

28.1

28.2

28.3

28.5

28.9

29

29.4

29.5

29.6

29.7

29.8

30.1

30.6

30.7

30.8

30.9

31.2

31.3

31.4

31.8

32

32.1

32.2

32.3

32.9

33

33.3

33.5

33.6

33.8

34

34.2

34.4

34.5

34.6

34.7

34.8

34.9

35.4

35.5

35.6

35.8

35.9

36.1

36.4

36.6

36.7

36.8

37

37.1

37.4

37.5

37.7

37.8

38.1

38.2

38.4

38.7

38.8

39

39.5

39.6

39.7

39.8

39.9

40.4

40.7

40.9

41

41.1

41.3

41.4

41.7

42

42.1

42.3

42.5

42.6

42.8

42.9

43.5

43.9

44.1

44.3

44.4

44.8

44.9

45.4

45.5

45.6

45.7

45.9

46.7

46.8

47

47.1

47.2

47.6

47.7

48

48.1

48.2

48.3

48.6

48.9

49.4

49.5

49.9

50.1

50.4

50.5

50.6

50.7

50.8

51

51.2

51.5

51.7

52

52.1

52.2

52.3

52.4

52.5

52.8

53.5

53.7

54.3

54.6

54.8

55

55.1

55.2

55.4

55.5

56.4

56.5

56.7

56.8

56.9

57

57.6

57.8

57.9

58

58.2

58.6

58.9

59.1

59.2

59.3

59.4

59.6

59.8

59.9

60

60.8

61

61.6

61.7

62.3

62.5

62.7

62.8

62.9

63

63.2

63.9

64.2

64.4

65

65.2

65.4

66.3

66.6

67.6

67.7

68

68.1

68.2

68.4

68.6

69.6

69.7

70

70.1

70.2

70.6

71.2

71.3

71.4

71.5

71.7

71.9

72.2

72.7

72.8

73

73.2

73.4

73.5

73.7

73.8

74.3

74.8

75.3

75.6

75.7

75.9

76.3

76.4

76.5

76.7

76.9

77.5

78.2

78.4

78.7

79.1

79.2

79.4

79.8

80.2

80.5

81

81.1

81.2

81.4

83

83.3

83.8

84

84.2

84.3

84.5

84.6

84.7

84.9

85.1

85.2

85.3

85.6

86.4

86.6

86.7

86.9

87.4

88.6

88.7

89.2

89.3

89.9

90.2

90.5

91.3

91.7

91.8

92.2

92.8

93.2

93.3

95

95.1

95.2

95.3

95.4

95.6

95.9

96.5

96.8

97.8

98

98.2

99.1

99.8

101

101.1

101.3

102.1

102.3

103.1

103.3

103.5

103.6

104.1

104.2

104.5

104.6

104.8

104.9

105.2

105.6

106

106.5

106.8

107.3

108.1

108.4

108.6

110

110.3

110.9

111

111.5

111.6

112.6

112.7

113.1

114.1

114.5

114.9

115.3

115.5

115.6

116.2

116.3

116.4

118.1

118.4

118.5

120.1

120.3

121.4

121.7

122

122.9

123.4

123.5

124.1

125

125.1

125.4

126.1

126.8

127.1

127.5

127.7

128.5

129.5

129.7

129.9

130.1

133

133.7

134.2

136.7

138.4

139.6

140.1

140.3

140.8

141.1

141.3

141.8

141.9

142

143.1

144.5

145.4

146.2

147.4

147.9

149.4

149.5

150.4

151.1

151.2

152.5

152.6

153.1

154.6

154.7

154.8

155.5

156.4

157.2

158.2

158.7

158.9

159.5

160.5

160.6

162.6

163.5

167.6

168.8

169.1

169.5

169.8

172.5

174.7

175.6

176.3

176.9

177.1

178.6

179.3

180.2

180.9

183.3

185.4

185.7

187.1

187.3

188.2

188.3

189.5

190.2

190.4

191.3

194.6

195.6

198.6

200.3

202.7

204.4

205.7

206.6

209.7

213.7

214

214.8

216.6

217.3

218.2

220.1

222.3

226.1

227.2

229.3

229.5

230.3

230.4

232

233.3

235

236.1

236.4

236.9

238.7

241.8

242

243.1

256.2

261.5

265.1

265.4

268

268.4

269.9

271.2

277.4

278.3

279

282

285.5

286.9

288.8

290.6

291.9

299.3

301.4

317.9

328.4

328.5

334.7

338

338.3

340.2

343.6

350

352.9

353.9

360.7

406.5

406.8

416.4

422.1

428

432.2

439.1

499.7

518.4

535.9

621.6

629.5

782.9
Clear
Spring Constant K(N/mm)
0.006

0.007

0.008

0.009

0.01

0.011

0.012

0.013

0.014

0.015

0.016

0.017

0.018

0.019

0.021

0.022

0.023

0.024

0.025

0.026

0.027

0.028

0.03

0.031

0.032

0.034

0.035

0.036

0.037

0.038

0.039

0.04

0.041

0.042

0.043

0.044

0.045

0.047

0.048

0.049

0.051

0.052

0.053

0.054

0.055

0.056

0.057

0.058

0.059

0.06

0.061

0.062

0.063

0.065

0.066

0.067

0.068

0.069

0.07

0.071

0.072

0.073

0.074

0.075

0.076

0.078

0.079

0.08

0.081

0.082

0.083

0.084

0.085

0.086

0.087

0.088

0.089

0.09

0.091

0.093

0.094

0.095

0.096

0.097

0.098

0.099

0.1

0.101

0.103

0.106

0.107

0.108

0.11

0.111

0.113

0.114

0.115

0.118

0.119

0.124

0.125

0.126

0.127

0.128

0.13

0.132

0.133

0.134

0.137

0.138

0.139

0.14

0.141

0.142

0.147

0.148

0.149

0.15

0.151

0.154

0.155

0.157

0.158

0.16

0.161

0.164

0.166

0.167

0.168

0.17

0.171

0.172

0.177

0.18

0.185

0.186

0.188

0.195

0.196

0.199

0.201

0.204

0.206

0.207

0.21

0.212

0.215

0.216

0.218

0.223

0.224

0.225

0.226

0.233

0.235

0.238

0.24

0.241

0.245

0.248

0.249

0.25

0.252

0.255

0.258

0.26

0.265

0.268

0.271

0.275

0.282

0.284

0.293

0.294

0.3

0.301

0.304

0.31

0.311

0.313

0.314

0.315

0.317

0.32

0.321

0.324

0.325

0.327

0.331

0.334

0.335

0.34

0.343

0.347

0.351

0.352

0.353

0.356

0.363

0.369

0.373

0.375

0.378

0.382

0.383

0.392

0.393

0.397

0.398

0.402

0.407

0.412

0.415

0.42

0.422

0.431

0.441

0.444

0.451

0.461

0.468

0.47

0.471

0.481

0.483

0.49

0.491

0.494

0.5

0.503

0.506

0.51

0.513

0.52

0.523

0.528

0.53

0.532

0.539

0.549

0.556

0.557

0.559

0.569

0.579

0.588

0.598

0.606

0.608

0.618

0.626

0.628

0.629

0.633

0.635

0.637

0.647

0.653

0.654

0.657

0.667

0.686

0.696

0.697

0.726

0.733

0.745

0.747

0.755

0.757

0.765

0.775

0.78

0.782

0.785

0.794

0.804

0.814

0.816

0.824

0.834

0.845

0.873

0.902

0.912

0.932

0.934

0.941

0.951

0.956

0.961

0.971

0.981

0.984

0.99

1

1.01

1.02

1.04

1.044

1.089

1.108

1.128

1.167

1.177

1.187

1.196

1.206

1.216

1.226

1.236

1.245

1.255

1.265

1.285

1.294

1.314

1.321

1.334

1.344

1.412

1.417

1.471

1.481

1.491

1.5

1.52

1.53

1.545

1.559

1.563

1.569

1.579

1.589

1.598

1.618

1.628

1.632

1.648

1.687

1.736

1.775

1.785

1.824

1.863

1.893

1.912

1.915

1.922

1.932

1.961

1.971

1.981

1.991

2.001

2.01

2.03

2.04

2.069

2.092

2.118

2.28

2.295

2.334

2.363

2.393

2.403

2.412

2.422

2.452

2.471

2.491

2.511

2.53

2.55

2.56

2.569

2.618

2.628

2.638

2.716

2.971

3.02

3.04

3.06

3.089

3.128

3.138

3.168

3.177

3.197

3.217

3.236

3.275

3.295

3.648

3.736

3.776

3.815

3.834

3.903

3.962

3.972

3.981

4.021

4.05

4.119

4.148

4.452

4.491

4.56

4.795

4.962

4.982

5.001

5.021

5.06

5.119

5.139

5.178

5.982

6.031

6.119

6.178

6.227

6.276

6.404

6.423

6.433

7.473

7.482

7.649

7.659

8.002

8.041

8.1

8.904

9.12

10.042

10.062

10.12

11.964

12.553

12.651

14.945

15.691

18.682
Clear
Allowable Load P2(N)
0.16

0.19

0.21

0.23

0.27

0.32

0.4

0.49

0.54

0.62

0.63

0.64

0.69

0.76

0.78

0.88

0.9

0.93

1.03

1.13

1.18

1.27

1.37

1.52

1.62

1.67

1.72

1.77

1.86

2.06

2.16

2.21

2.26

2.3

2.4

2.65

2.79

2.89

2.94

3.33

3.38

3.53

3.78

4.07

4.17

4.36

4.85

5.15

5.25

5.39

5.49

5.98

6.72

6.96

7.06

7.26

7.35

8.63

8.83

9.02

9.12

9.17

10.2

10.69

11.08

11.18

11.28

11.57

12.94

13.44

14.02

15.4

15.89

16.97

17.16

17.36

18.34

20.4

21.08

25.01

25.3

25.5

31.38

31.68

34.52

36.77

37.76

38.25

41.68

46.09

50.5

51.29

53.94

55.9

61.78

61.98

63.25

65.7

70.31

76

89.24

90.42

91.2

112.78

114.74

134.35

140.24

166.71

203
Clear
Initial Tension Pi(N)
0.029

0.033

0.039

0.049

0.059

0.061

0.063

0.086

0.098

0.108

0.147

0.157

0.167

0.177

0.186

0.196

0.226

0.245

0.255

0.265

0.275

0.304

0.333

0.392

0.412

0.431

0.441

0.471

0.52

0.549

0.588

0.608

0.657

0.677

0.686

0.735

0.824

0.962

1

1.01

1.059

1.147

1.177

1.422

1.442

1.569

1.579

1.648

1.667

1.677

1.687

1.736

1.765

2.059

2.216

2.314

2.403

2.461

2.501

2.707

2.746

2.785

3.344

3.462

3.609

3.756

4.07

4.236

4.511

5.413

6.257

6.306

6.61

6.649

6.963

7.12

8.826

8.865

9.159

9.767

9.846

10.836

11.866

14.092

14.612

15.034

15.691

16.397

16.936

18.338

18.437

21.477

25.017

25.203

26.458

27.949

35.471

39.089

39.423

55.427

56.388

86.603
Clear
Total coils Nt
10.5

12.5

15.5

19.5

24.5

31.5

39.5

49.5

62.5

63.5

79.5
Clear
Maximum Elastic Curve Equation(mm)
0.8

1

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

3

3.1

3.2

3.3

3.4

3.5

3.6

3.8

3.9

4

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

5

5.1

5.2

5.3

5.4

5.5

5.6

5.7

5.8

5.9

6

6.1

6.2

6.3

6.4

6.5

6.6

6.7

6.8

6.9

7

7.1

7.2

7.3

7.4

7.5

7.6

7.7

7.8

7.9

8

8.1

8.2

8.3

8.4

8.5

8.6

8.7

8.8

9.1

9.2

9.3

9.4

9.5

9.7

9.8

10

10.1

10.2

10.3

10.4

10.6

10.7

10.8

10.9

11

11.1

11.2

11.3

11.5

11.6

11.7

11.8

11.9

12

12.1

12.2

12.3

12.4

12.5

12.6

12.7

12.8

12.9

13

13.1

13.3

13.4

13.6

13.7

13.8

14

14.1

14.3

14.4

14.5

14.7

14.8

14.9

15

15.1

15.2

15.3

15.4

15.6

15.7

15.8

15.9

16

16.1

16.2

16.3

16.4

16.5

16.9

17

17.2

17.3

17.4

17.5

17.6

17.7

17.9

18

18.1

18.2

18.3

18.4

18.5

18.6

18.9

19

19.2

19.4

19.5

19.6

19.7

19.9

20

20.2

20.3

20.4

20.5

20.7

20.9

21

21.1

21.2

21.3

21.4

21.5

21.6

21.7

21.8

21.9

22

22.1

22.2

22.4

22.5

22.6

22.7

23

23.1

23.3

23.4

23.5

23.6

23.7

23.8

24

24.1

24.3

24.4

24.5

24.6

24.8

25.1

25.3

25.6

25.7

25.8

25.9

26.1

26.2

26.5

26.6

26.7

27.2

27.4

27.7

27.8

27.9

28.1

28.2

28.3

28.4

28.5

28.7

28.8

28.9

29

29.1

29.2

29.3

29.6

29.8

29.9

30.1

30.5

30.6

30.7

30.8

30.9

31

31.2

31.3

31.5

31.8

31.9

32

32.4

32.5

32.6

32.8

32.9

33

33.1

33.3

33.4

33.5

34.2

34.3

34.4

35

35.1

35.2

35.3

35.4

35.5

35.7

35.8

36

36.1

36.4

36.5

36.6

36.7

36.9

37

37.1

37.3

37.5

37.7

38.1

38.3

38.4

38.8

39.3

39.5

39.6

40.1

40.2

40.4

40.7

41

41.3

41.6

42.1

42.2

42.3

42.5

42.6

43.2

43.7

43.9

44

44.3

44.7

44.8

45

45.1

45.3

45.8

46

46.1

46.2

46.4

46.5

46.7

47

47.1

47.3

48.1

48.6

49

49.1

49.3

49.5

49.8

50.7

50.9

51.2

51.6

51.7

51.8

52.1

52.7

53.2

53.7

53.9

54

54.1

54.3

54.6

54.7

55

55.1

55.3

55.7

55.9

56.1

56.4

56.5

56.7

57

57.3

57.8

58.4

58.6

59

59.1

59.4

60.2

60.3

60.5

60.8

61.2

61.3

61.9

62.4

62.6

63.1

63.5

63.6

64.5

65.5

65.7

65.9

66.5

66.7

67

67.3

67.4

67.5

68

68.1

68.5

69.1

69.9

70.8

71.2

71.4

71.8

72.1

72.9

73.1

73.9

74.1

74.8

75.1

76.7

76.9

77.9

78.6

78.9

79

79.1

79.2

79.6

79.9

81.7

82.6

82.8

83.4

84.8

84.9

85.5

85.7

87.1

88.2

88.4

88.6

89

89.8

90.4

90.7

91.6

91.9

94

94.5

95.2

95.6

97.8

99.1

99.4

99.6

99.7

102.8

103.7

104.6

105.8

106.9

107.3

107.6

108.1

112.4

112.6

114.4

115.1

116.4

117.8

118.1

119

122.7

124.2

124.4

125.6

125.7

126.3

131.2

131.5

132.1

136.1

136.7

137.4

137.8

139.2

141.2

142.9

144.3

146.2

148.2

150.1

155.1

157.3

158.3

160.1

161.3

161.8

167.1

167.5

168.1

173

177.2

182.4

183.4

187.3

193.2

197.4

200.2

201.6

203.1

203.9

217

224

231.8

232.2

238.5

254.9

256

274.3

285.2

294.9

322.1

349.1

405.9

410

516.8
Clear
Load Length L1(mm)
3.25

3.56

4.01

4.02

4.06

4.34

4.44

4.63

4.78

4.8

4.94

4.95

4.97

5.02

5.23

5.29

5.39

5.43

5.46

5.71

5.78

5.89

5.93

6.14

6.19

6.42

6.44

6.46

6.48

6.65

6.74

6.81

6.88

6.89

6.9

6.93

7.04

7.1

7.11

7.17

7.51

7.68

7.9

7.92

8

8.08

8.29

8.39

8.48

8.56

8.62

8.69

8.73

8.74

8.93

9.05

9.14

9.21

9.27

9.3

9.36

9.44

9.46

9.52

9.59

9.61

9.85

9.86

9.93

9.95

10

10.01

10.05

10.1

10.15

10.19

10.51

10.52

10.58

10.64

10.86

10.89

11.13

11.19

11.26

11.3

11.32

11.33

11.34

11.4

11.53

11.61

11.65

11.86

11.9

12.06

12.09

12.32

12.33

12.36

12.5

12.57

12.61

12.64

12.66

12.73

12.77

13.12

13.14

13.2

13.49

13.53

13.57

13.58

13.79

13.8

13.9

13.93

14.01

14.09

14.12

14.13

14.2

14.22

14.24

14.4

14.48

14.5

14.57

14.7

14.83

14.9

14.92

14.96

15.13

15.19

15.2

15.4

15.56

15.66

15.67

15.7

15.8

15.89

16

16.4

16.43

16.45

16.52

16.54

16.66

16.7

16.78

16.84

16.93

16.95

16.98

17

17.02

17.27

17.34

17.4

17.68

17.76

17.79

17.8

17.89

17.92

17.95

18.05

18.1

18.12

18.33

18.62

18.73

18.77

18.8

18.9

19.3

19.45

19.51

19.62

19.67

19.69

19.8

20

20.03

20.18

20.2

20.37

20.46

20.5

20.75

20.77

20.8

20.82

20.84

20.91

20.95

20.97

21.01

21.14

21.19

21.21

21.3

21.39

21.65

21.7

21.78

21.83

21.9

22

22.02

22.12

22.31

22.4

22.49

22.5

22.55

22.6

22.67

22.7

22.8

22.89

22.9

22.91

23.05

23.25

23.26

23.31

23.35

23.47

23.7

23.8

23.85

24.03

24.2

24.25

24.3

24.34

24.38

24.4

24.47

24.7

24.71

24.78

24.91

25.02

25.3

25.44

25.64

25.7

25.87

26.01

26.14

26.26

26.3

26.35

26.44

26.63

26.79

26.8

27.11

27.2

27.28

27.31

27.5

27.8

27.82

27.87

27.91

27.99

28.1

28.2

28.24

28.3

28.37

28.49

28.5

28.81

29.04

29.1

29.15

29.29

29.3

29.42

29.5

29.55

29.58

29.6

29.74

29.83

30

30.13

30.3

30.4

30.47

30.5

30.57

30.69

30.7

30.82

31.07

31.11

31.2

31.25

31.5

31.9

31.98

32.2

32.5

32.62

32.69

32.7

32.8

32.9

33.03

33.14

33.22

33.4

33.44

33.49

33.63

33.65

33.66

33.8

33.94

34.48

34.5

34.7

34.79

34.8

35.03

35.2

35.29

35.3

35.42

35.57

35.58

35.6

35.63

35.67

35.99

36

36.1

36.16

36.33

36.42

36.5

36.85

36.91

37

37.23

37.7

37.77

37.8

38

38.1

38.18

38.4

38.55

38.79

38.9

39.03

39.04

39.3

39.48

39.5

39.6

39.74

40

40.32

41.1

41.11

41.2

41.22

41.33

41.72

41.73

41.79

41.8

41.84

41.87

41.97

42.22

42.26

42.6

42.7

42.86

43.02

43.12

43.3

43.42

43.5

43.72

43.79

43.9

44.01

44.08

44.4

44.47

44.64

44.68

44.8

44.94

45.17

45.2

45.38

45.48

45.89

45.93

45.94

46.6

46.77

47.47

47.49

47.7

47.9

48.29

48.4

48.53

48.7

48.77

48.9

48.94

49.49

49.66

50.3

50.4

50.6

51.04

51.11

51.26

51.4

51.72

51.91

52.04

52.11

52.13

52.16

52.3

52.5

52.53

52.8

52.95

53.11

53.48

53.55

53.7

53.8

53.98

54

54.32

54.6

54.84

54.89

55.3

55.31

55.46

55.65

55.9

56.15

56.16

56.2

56.41

56.8

57.09

57.5

58.05

58.5

58.61

58.62

58.8

59.05

59.5

59.58

59.6

59.94

60.01

60.33

60.4

60.45

60.7

60.8

61.18

61.4

61.43

61.44

61.54

62.3

62.52

63

63.16

63.4

63.48

63.5

64.08

64.4

64.52

64.59

64.6

65.3

65.54

65.6

65.7

65.77

65.94

66.62

67.26

67.79

67.8

67.89

68.4

68.55

68.86

68.87

69

69.08

69.1

69.9

69.97

70.14

70.51

70.61

70.66

70.73

71.51

71.7

71.8

71.97

72.15

72.57

72.89

73

73.25

73.65

73.86

74.42

74.5

74.51

74.55

74.85

75.6

75.77

75.89

75.9

76.04

76.09

76.41

76.89

77.53

78.4

78.5

78.6

78.92

79.38

79.7

79.74

79.77

79.8

79.93

80.12

80.3

80.79

81.12

81.2

81.48

81.53

81.7

82.25

83.15

83.44

84.02

84.54

84.6

85

85.2

85.36

85.47

85.7

86.73

86.78

86.8

87.17

87.22

87.3

88

88.42

88.65

89.33

89.45

90.3

90.5

90.9

91.42

91.86

92.1

92.16

92.39

93.67

93.8

93.91

94.15

94.27

94.34

95.23

95.4

96.31

98.26

98.55

98.6

98.99

99.6

99.9

99.91

99.94

100.08

101.73

102.13

102.58

103.1

103.16

104.21

104.4

104.6

104.97

105.5

106.3

106.41

106.55

107

107.98

108.12

109.04

109.3

109.45

109.5

110.2

110.59

113.05

113.23

113.5

114.06

114.07

114.6

114.7

115

115.6

116.05

116.66

117.4

118.16

118.31

119.63

120.3

120.7

122.13

122.74

123.9

124.06

124.98

125.26

127.74

127.9

128.2

129.63

130.12

130.5

131.21

131.53

131.66

132.04

132.39

132.5

133.6

133.63

133.82

134.22

134.7

135.31

136.83

139.9

141.01

143.94

144.23

145.79

146.23

146.24

146.56

147.06

148.88

149.21

149.26

150.61

152.43

152.54

155.4

156.07

157.41

157.99

159.9

160.17

160.72

160.93

161.4

162.91

163.58

163.85

164.13

165.28

165.3

166.07

170.2

172.3

175.98

177.67

178.16

178.33

180.36

181.1

182.72

183.58

184.4

186.99

187.12

189.1

189.85

190.28

191.54

194.7

195.7

195.82

198.73

198.79

202.26

202.6

202.74

208.38

209.98

214.04

219.87

222.09

223.34

223.39

223.96

226.68

227.56

227.92

230.6

231.26

232.35

233.3

243.5

245.7

250.63

252.48

252.94

255.04

267.97

272.03

273.57

276.85

278.03

280.4

307.73

312.63

318.92

334.88

335.9

337.4

340.84

372.91

379.99

415.04

460.04

465.4

573.67
Clear
Reference load P1(N)
0.1

0.12

0.13

0.15

0.17

0.21

0.24

0.29

0.34

0.37

0.39

0.4

0.44

0.46

0.49

0.54

0.56

0.58

0.59

0.69

0.72

0.74

0.76

0.78

0.89

0.92

0.93

0.98

1.12

1.16

1.18

1.37

1.43

1.48

1.57

1.67

1.77

1.78

1.84

2.06

2.24

2.26

2.31

2.35

2.85

2.91

3.04

3.14

3.24

3.57

3.67

4.12

4.22

4.31

4.53

4.58

5.1

5.59

5.73

5.76

5.79

5.98

6.86

7.06

7.26

7.33

7.35

9.07

9.18

9.81

10.79

11.3

11.34

11.47

11.66

11.77

14.11

14.69

16.18

16.96

17.64

18.37

19.61

21.67

21.71

22.41

22.56

27.14

27.6

28.23

31.38

33.92

34.5

34.81

41.19

41.23

42.17

43.07

44.13

44.16

51.53

55.19

60.26

60.8

64.42

68.99

77.14

82.45

96.42

103.07

120.52

154.27
Clear
Coil Center Diameter D(Ø)
0.8

1

1.2

1.6

1.8

2

2.21

2.24

2.27

2.3

2.5

2.85

2.88

2.91

2.94

2.97

3

3.2

3.5

3.55

3.6

3.65

3.68

3.71

3.74

3.77

4

4.4

4.45

4.5

4.55

4.6

4.65

4.68

5

5.5

5.6

5.65

5.7

5.75

5.8

5.85

5.9

6.3

7

7.1

7.3

7.35

7.4

7.45

8

8.6

8.8

9.2

10

10.9

11.5

11.6

12.5

14

14.2

14.6

14.8

16

18

18.2

18.4

20

25

32
Clear
type
- DE
- E
Clear
Allowable Load(Range Specification)(N)
- ~1.25
- 1.26~3.50
- 3.51~8.00
- 8.01~15.00
- 15.01~30.00
- 30.01~60.00
- 60.01~110.00
- 110.01～
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

2 Day(s) or Less

4 Day(s) or Less

6 Day(s) or Less

7 Day(s) or Less

8 Day(s) or Less

11 Day(s) or Less

13 Day(s) or Less

14 Day(s) or Less
Clear

Specify Alterations

Package items among VONA in-stock items are sold separately (Available for individual purchase).@ The price of this product varies (downward) depending on quantity. For details, confirm with "price check".
The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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Ultra Spring Extension Coil Spring

(i)Caution

Basic Information

Configure

Specification/Dimensions

Free Length Lf(mm)

O.D. OD(Ø)

Wire diameter d(Ø)

Material

Length L2 in Allowable Load(mm)

Spring Constant K(N/mm)

Allowable Load P2(N)

Initial Tension Pi(N)

Total coils Nt

Maximum Elastic Curve Equation(mm)

Load Length L1(mm)

Reference load P1(N)

Coil Center Diameter D(Ø)

type

Allowable Load(Range Specification)(N)

CAD

Days to Ship

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