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Parallel Keys Straight / Round at One End / Round at Both End (Part Numbers)

Volume Discount

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MISUMI

MiSUMi Economy

MISUMI

This is an economy item, The price is cheaper than the MISUMI standard product.

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Part Number

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Drawing/Specifications
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Part Numbers

Product Overview

Parallel key
A key that relies on two side surfaces as working surfaces, and transfers torque by pressing the sides of the key and the keyway.

Product photo
(Economy series) Parallel key Type A Type B Type C GB/T1096

(Economy series) Parallel key Type A Type B Type C GB/T1096

Dimensional Drawing

Material Specifications

Type			Material	Tensile Strength
Round at Both Ends Shape A	Straight Shape B	Round at One End Shape C	Material	Tensile Strength
C-KES	C-KED	C-KEG	Steel Material	500 N/mm² or above
C-KESF	C-KEDF	C-KEGF	Steel Material	500 N/mm² or above
C-KESH	C-KEDH	C-KEGH	Steel 25 to 30HRC	600 N/mm² or above
C-KESS	C-KEDS	C-KEGS	Stainless Steel	500 N/mm² or above

Specification Table

Part Number			Total length L																											H Tolerance		C
Type	Width Bh9		Total length L																											H Tolerance		C
C-KES C-KESF C-KESH C-KESS (Double Round Head Type A) C-KED C-KEDF C-KEDH C-KEDS (Straight-through Type B) C-KEG C-KEGF C-KEGH C-KEGS (Single Round Head C Type)	2	0 -0.025	6*	8*	9	10*		12	15*																					2	0 -0.025	0.16 to 0.25
	3	0 -0.025	6*	8*		10		12	15*	16*	18*	20			25		30*													3	0 -0.025
	4	0 -0.030		8*		10		12	15*	16	18*	20			25		30*			40*		50*								4	0 -0.030
	5					10	11	12	15*	16	18	20	22*		25	29	30		35	40	45*	50		60*						5		0.25 to 0.40
	6					10*		12*	15*	16*	18*	20	22		25	28*	30	32*	35*	40*	45*	50*		60*						6
	7	0 -0.036													25*															7	0 -0.090
	8					10*		12	15	16	18*	20*	22*	24	25	28*	30	32*	35*	40*	45*	50*	55*		70*		80*	90*		7
	10											20			25		30		35	40	45	50		60	70	75	80	90	100	8		0.40 to 0.60
	12	0 -0.043										20			25		30		35	40	45	50	52	60			80	90		8
	14																		35	38										9
	18																								70				120	11	0 -0.110
	20	0 -0.052																						67						12		0.60 to 0.80
	22	0 -0.052																			45									14		0.60 to 0.80

The specification table with * symbol size indicates the applicable range for C-KES

Key Tolerance

Product Features

Parallel key, is a key that relies on two side surfaces as working surfaces, and transfers torque by pressing the sides of the key and the keyway.
Parallel keys are divided into three types: standard parallel keys, thin parallel keys, guiding parallel keys.
Standard parallel keys have good centering, high positioning accuracy and easy assembly, but they cannot achieve axial fixation of parts on the shaft. They are used for shafts that are high-speed or subjected to impact and variable loads;
Thin parallel keys are used for thin-walled structures and places where the transmission torque is small; guiding parallel keys are used to fix the keys on the shaft with screws, and are used for occasions where the parts on the shaft do not move much along the shaft.

Precautions

1) When the keyway is used in conjunction with the parallel key, if the clearance is too large, the parallel key will not fix completely due to loosening.
2) When the keyway and the parallel key are used too tightly, the parallel key cannot be installed in the keyway.

(Economy series) Parallel key Type A Type B Type C GB/T1096

Example of Use

Example of using parallel key
(Economy series) Parallel key Type A Type B Type C GB/T1096

Part Number

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Part Number

Part Number	Minimum order quantity	Volume Discount	Days to Ship	Shape	Width (mm)	Overall Length (mm)	Material	Hole Machining	Main Body Hardened

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310 Part Numbers

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Specification/Dimensions

Shape
- Parallel Keys (Straight)
  - Parallel Keys (Straight)
- Parallel Keys (Round at One End)
- Parallel Keys (Round at Both Ends)
Clear
Width(mm)
2

3

4

5

6

7

8

10

12

14

18

20

22
Clear
Overall Length(mm)
6

8

9

10

11

12

15

16

18

20

22

24

25

28

29

30

32

35

38

40

45

50

52

55

60

67

70

75

80

90

100

120
Clear
Material
- Steel
  - Steel
- Stainless Steel
  - Stainless Steel
Clear
Hole Machining
- Straight
Clear
Main Body Hardened
- Not Provided
- Quenching
- 淬火
Clear
type
- C-KED
- C-KEDF
- C-KEDH
- C-KEDS
- C-KEG
- C-KEGF
- C-KEGH
- C-KEGS
- C-KES
- C-KESF
- C-KESH
- C-KESS
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

1 Day(s) or Less

5 Day(s) or Less

6 Day(s) or Less

14 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently asked question (FAQ)

Question: What kinds of materials do parallel keys generally have?: Answer: There are two materials: steel and stainless steel.
Question: How to distinguish the use of parallel keys according to the different shapes?: Answer: Choose different shapes to use, depending on the keyway shape and position.
Question: What do I need to pay attention to when using parallel keys?: Answer: When the fit clearance is too large, it is easy to loosen and cannot be completely fixed, and when it is too tight, it may be unable to install.
Question: What is the effect of removing threaded hole on the parallel key?: Answer: It can facilitate disassembly and reuse without damaging the shaft and keyway.