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Product Specifications:
| Item | Split Lock Washer |
| Class | Not Applicable |
| Color | Black |
| Dimensional Standards | Asme B18.21.1 |
| Finish | Black Oxide |
| Fits Bolt Sizes | 5/16" |
| For Screw Size | 5/16" |
| Grade | Non Graded |
| Hardness | Rockwell C38-C46 |
| Inside Dia. | 0.322" |
| Inside Diameter Tolerance | -0.005" to +0.005" |
| Lock Washer Type | Split Lock |
| Made In North America | No |
| Material | Steel |
| Material Grade/class | Ungraded |
| Material Quality Standards | Astm A307A, Sae J429 |
| Maximum Temperature | 275°F |
| Maximum Thickness | 0.078" |
| Minimum Temperature | 10°F |
| Minimum Thickness | 0.078" |
| Outside Dia. | 0.583" |
| Outside Diameter Tolerance | -0.01" to +0.01" |
| Removable | Yes |
| Rockwell Hardness | C38 |
| System Of Measurement | Imperial |
| Thickness | 0.0781" |
| Thickness Tolerance | -0.005" to +0.005" |
| Type | Split Lock |
Shipping Info:
| Ship weight (kg) | 0.18 |
| Ship height (cm) | 1.27 |
| Ship length (cm) | 16.99 |
| Ship width (cm) | 16.38 |
| HS code | 7318210030 |
| Country of Origin | CN |
Product Variants
| Product | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Hardness | Thickness | Thickness Tolerance | For Screw Size | Class | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
U37000.008.0001 | #2 | 0.088" | 0.172" | Rockwell C40-C50 | 0.02" | - | #2 | Not Applicable | 100 | €4.35 | |
![]() |
U37000.009.0001 | #3 | 0.101" | 0.195" | Rockwell C40-C50 | 0.025" | - | #3 | Not Applicable | 100 | €4.64 | |
![]() |
U37000.011.0001 | #4 | 0.114" | 0.209" | Rockwell C40-C50 | 0.025" | - | #4 | Not Applicable | 100 | €1.25 | |
![]() |
U37000.012.0001 | #5 | 0.127" | 0.236" | Rockwell C40-C50 | 0.031" | - | #5 | Not Applicable | 100 | €3.52 | |
![]() |
U37000.013.0001 | #6 | 0.141" | 1/4" | Rockwell C40-C50 | 0.031" | - | #6 | Not Applicable | 100 | €1.81 | |
![]() |
U37000.016.0001 | #8 | 0.167" | 0.293" | Rockwell C40-C50 | 1/25" | - | #8 | Not Applicable | 100 | €2.37 | |
![]() |
U37000.019.0001 | #10 | 0.193" | 0.334" | Rockwell C40-C50 | 0.047" | - | #10 | Not Applicable | 100 | €2.80 |
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APPROVED VENDOR U37000.031.0001 Split Lock Washer, 5/16 In Fits Bolt Size, 0.583 In O.D., Plain, Steel
€4.36 /pack







