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JIS Spring Lock Washer【550-15,000 Pieces Per Package】
HEIWA HATSUJYO
[Type (application)] Spring Washer
[Type] Spring Washer
[Type]Spring Washer, standard load
[Type]No. 2 (for medium load)
[Materials] Steel, Stainless steel
[Surface treatment] Anti-rust Oil Only, Trivalent Chromate, Chromate, Nickel Plating, Temper Color
[Inner diameter d (mm)] 2.1 2.4 2.7 3.1 4.1 5.1 6.1 6.5 8.2 10.2 11.4 12.2 13 14.2 16.2 18.2 20.2 22.5 24.5
[Nominal Thread (M)] 2 2.3 2.6 3 4 5 6 8 10 12 14 16 18 20 22 24
[Nominal Thread (inch)] 1/4 7/16 1/2
[Thickness t (mm)] 0.5 0.6 0.7 1 1.3 1.5
| Standard Price: | MYR 130.30- |
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| Days to Ship: | 5 Day(s) or more |

Disk Spring Lock Washer, JIS B 1251, Class 2 (for Caps, for Heavy Loads)
HEIWA HATSUJYO
Screw has a spring counter-force when compared to the tightening axial force of bolts. The spring prevents thread loosening caused by vibration and shock. It is possible to obtain a stable tightening axial force without causing fatigue to the tightening material as a result of the low pressure applied to the bearing surface.
| Standard Price: | MYR 0.54- |
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| Days to Ship: | 5 Day(s) or more |

Disc Spring Lock Washer, JIS B 1251, Class 1 (for Screws, for Heavy Loads)
HEIWA HATSUJYO
This part has spring counter-force comparable to tightening axial force of bolts and prevents thread loosening caused by vibration and shock. It is possible to obtain a stable tightening axial force without causing fatigue to the tightening material due to the low pressure applied to the bearing surface.
| Standard Price: | MYR 0.68- |
|---|---|
| Days to Ship: | 5 Day(s) or more |
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| Product Series |
| Days to Ship |
| Environmentally Friendly |
| Material |
| Properties / applications |
| Surface Treatment |
| Inner Dia. d(mm) |
| I.D. d(inch) |
| Nominal of Thread (M) |
| Outer Dia. D(mm) |
| Outer Diameter D(inch) |
| Type |
| Type (Application) |
| Unit of Purchase |
| Thickness t (Metric)(mm) |
| Thickness t (Imperial)(inch) |
| Type Spring Washers |
| Material: Stainless Steel |
| Surface Treatment (Detailed) |
| Nominal of Thread (inch) |
| Material Steel |
| Type Toothed Washer |
| Cleaning Method |
| Brand | HEIWA HATSUJYO | HEIWA HATSUJYO | HEIWA HATSUJYO |
|---|---|---|---|
| Product Series | Disk Spring Lock Washer, JIS B 1251, Class 2 (for Caps, for Heavy Loads) | Disc Spring Lock Washer, JIS B 1251, Class 1 (for Screws, for Heavy Loads) | |
| Days to Ship | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more |
| Environmentally Friendly | - | - | - |
| Material | Steel | Steel | Steel |
| Properties / applications | - | - | - |
| Surface Treatment | Not Provided | Not Provided | Not Provided |
| Inner Dia. d(mm) | 4.1 ~ 12.2 | 4.3 ~ 28 | 6.4 ~ 23 |
| I.D. d(inch) | - | - | - |
| Nominal of Thread (M) | 4 ~ 12 | 4 ~ 27 | 6 ~ 22 |
| Outer Dia. D(mm) | 7.6 ~ 21.5 | 7.5 ~ 41 | 12.5 ~ 39 |
| Outer Diameter D(inch) | - | - | - |
| Type | Spring Washer | Spring Washer | Spring Washer |
| Type (Application) | Spring Washer | Spring Washer | Spring Washer |
| Unit of Purchase | Box, Pkg. | Sold Individually (No Min. Purchase) | Sold Individually (No Min. Purchase) |
| Thickness t (Metric)(mm) | 1 ~ 3 | 0.8 ~ 5 | 1.2 ~ 5 |
| Thickness t (Imperial)(inch) | - | - | - |
| Type Spring Washers | Standard | Disc Spring | Disc Spring |
| Material: Stainless Steel | - | - | - |
| Surface Treatment (Detailed) | Not Provided | Not Provided | Not Provided |
| Nominal of Thread (inch) | - | - | - |
| Material Steel | SWRH | S50C | S50C |
| Type Toothed Washer | - | - | - |
| Cleaning Method | - | - | - |
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