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Product Specifications:
| Item | Flat Washer |
| Dimensional Standards | Asme B18.21.1 |
| Finish | Plain |
| Fits Bolt Size | 5/16" |
| Flat Washer Type | Uss |
| For Screw Size | 5/16" |
| Grade | Grade 18-8 |
| Inside Dia. | 3/8" |
| Material | Stainless Steel |
| Material Grade/class | 18-8 |
| Max. Thickness | 0.083" |
| Min. Thickness | 0.083" |
| Outside Dia. | 7/8" |
| Rockwell Hardness | Not Rated |
| System Of Measurement | Imperial |
| Thickness | 0.083" |
| Washer Type | USS Washer |
Shipping Info:
| Ship weight (kg) | 0.13 |
| Ship height (cm) | 1.27 |
| Ship length (cm) | 16.99 |
| Ship width (cm) | 16.38 |
| HS code | 7318220000 |
| Country of Origin | TW |
Product Variants
| Product | Model | Inside Dia. | Outside Dia. | Thickness | Max. Thickness | Thickness Tolerance | Min. Thickness | Inside Dia. Tolerance | Outside Dia. Tolerance | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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U51420.056.0001 | 5/8" | 1 15/32" | 0.109" | 0.132" | -0.023" to +0.023" | 0.086" | -0.005" to +0.015" | -0.007" to +0.030" | 25 | €17.29 | |
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U51420.100.0001 | 1.063" | 2 1/2" | 0.156" | 0.192" | +0.027", -0.029" | 0.136" | -0.007" to +0.03" | -0.007" to +0.030" | 5 | €17.19 | |
![]() |
U51420.112.0001 | 1 1/4" | 2 3/4" | 0.156" | 0.192" | +0.027", -0.029" | 0.136" | -0.007" to +0.03" | -0.007" to +0.030" | 5 | €15.63 | |
![]() |
U51420.150.0001 | 1 5/8" | 3 1/2" | 0.156" | 0.213" | +0.033", -0.027" | 0.153" | -0.01" to +0.045" | -0.01" to +0.045" | 5 | €31.19 | |
![]() |
U51420.025.0001 | 0.313" | 47/64" | 0.065" | 2/25" | +0.015", -0.014" | 0.051" | -0.005" to +0.015" | -0.007" to +0.015" | 50 | €4.76 | |
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U51420.037.0001 | 7/16" | 1" | 0.083" | 0.104" | +0.021", -0.019" | 0.064" | -0.005" to +0.015" | -0.007" to +0.030" | 50 | €11.39 | |
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U51420.043.0001 | 1/2" | 1 1/4" | 0.083" | 0.104" | - | 0.064" | - | - | 25 | €16.01 |
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Contact us
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APPROVED VENDOR U51420.031.0001 Flat Washer, 5/16 In Fits Bolt Size, USS, 3/8 In I.D., 7/8 In O.D.
€7.51 /pack







