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Product Specifications:
| Item | Lock Washer |
| Assembly Thickness | 3/25" |
| Color | Silver |
| Dimensional Standards | Din 25201 |
| Finish | Plain |
| Fits Bolt Size | M12 |
| For Screw Size | M12 |
| Grade | Grade 254 SMO |
| Hardness | Rockwell C52 |
| Inside Dia. | 0.51" |
| Lock Washer Type | Wedge Lock |
| Material | Stainless Steel |
| Material Grade/class | Ungraded |
| Outside Dia. | 1" |
| Rockwell Hardness | Hrc52 |
| System Of Measurement | Metric |
| Thickness | 3/25" |
| Thickness Tolerance | -0.01" to +0.01" |
| Type | Wedge Lock |
Shipping Info:
| Ship weight (kg) | 0.05 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | SE |
Product Details:
- Critical Bolted Joints, Dynamic Loads, Extreme Conditions, High Vibration
Product Variants
| Product | Model | Fits Bolt Size | Thickness | For Screw Size | Thickness Tolerance | Assembly Thickness | Hardness | Material Grade/class | Color | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
1567 | M6 | 0.09" | M6 | -0.01" to +0.01" | 0.09" | Rockwell 52 | Ungraded | Silver | 10 | €61.12 | |
![]() |
1569 | 1/4" | 0.09" | 1/4" | -0.01" to +0.01" | 0.09" | Rockwell 52 | Ungraded | Silver | 10 | €61.12 | |
![]() |
1571 | 5/16" | 2/25" | 5/16" | -0.01" to +0.01" | 2/25" | Rockwell 52 | Ungraded | Silver | 10 | €69.39 | |
![]() |
1573 | 3/8" | 2/25" | 3/8" | -0.01" to +0.01" | 2/25" | Rockwell 52 | Ungraded | Silver | 10 | €92.27 | |
![]() |
1578 | M12 | 2/25" | M12 | -0.01" to +0.01" | 2/25" | Rockwell 52 | Ungraded | Silver | 6 | €93.84 | |
![]() |
1580 | 1/2" | 2/25" | 1/2" | -0.01" to +0.01" | 2/25" | Rockwell 52 | Ungraded | Silver | 6 | €92.99 | |
![]() |
1582 | 9/16" | 0.13" | 9/16" | -0.01" to +0.01" | 0.13" | Rockwell 52 | Ungraded | Silver | 4 | €86.35 |
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Contact us
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NORD-LOCK 1579 Lock Washer, M12 Fits Bolt Size, Wedge Lock, 1 In O.D., 0.51 In I.D., Plain
€88.29 /pack







