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Product Specifications:
| Item | Flat Washer |
| Dimensional Standards | ASME B18.22.1 |
| Finish | Plain |
| Fits Bolt Sizes | 1/4" |
| Flat Washer Type | SAE |
| For Screw Size | 1/4" |
| Grade | Grade 316 |
| Hardness | Rockwell B80 |
| Inside Dia. | 5/16" |
| Inside Diameter | 0.312" |
| Inside Diameter Tolerance | -0.01" to +0.01" |
| Material | Stainless Steel |
| Material Grade/class | 316 |
| Material Quality Standards | Astm A276 |
| Maximum Thickness | 2/25" |
| Minimum Thickness | 0.051" |
| Outside Dia. | 3/4" |
| Outside Diameter Tolerance | -0.01" to +0.01" |
| Resistance Properties | Chemical Resistant, Corrosion Resistant, Saltwater Resistant |
| Rockwell Hardness | B83 |
| System Of Measurement | Imperial |
| Tensile Strength | 75000 psi |
| Thickness | 0.051" to 0.08" |
| Thickness Tolerance | -0.014", +0.005" |
| Washer Type | SAE Washer |
Shipping Info:
| Ship weight (kg) | 0.07 |
| Ship height (cm) | 1.27 |
| Ship length (cm) | 7.62 |
| Ship width (cm) | 3.05 |
| HS code | 7318220000 |
| Country of Origin | US |
Product Variants
| Product | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Thickness | Thickness Tolerance | Hardness | Tensile Strength | Resistance Properties | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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U55205.025.0001 | 1/4" | 9/32" | 5/8" | 0.065" | -0.014" to +0.015" | Rockwell B80 | Not Applicable | - | 50 | €6.59 | |
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U55205.031.0001 | 5/16" | 11/32" | 11/16" | 0.065" | -0.014" to +0.015" | Rockwell B80 | Not Applicable | Corrosion Resistant | 50 | €8.97 | |
![]() |
U55205.037.0001 | 3/8" | 13/32" | 13/16" | 0.065" | -0.014" to +0.015" | Rockwell B80 | Not Applicable | Corrosion Resistant | 50 | €8.74 | |
![]() |
U55205.050.0001 | 1/2" | 17/32" | 1 1/16" | 0.098" | -0.021" to +0.026" | Rockwell B80 | Not Applicable | Corrosion Resistant | 25 | €19.20 | |
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U55205.062.0001 | 5/8" | 5/8" | 1 5/16" | 0.095" | +0.026", -0.021" | - | Not Applicable | Corrosion Resistant | 25 | €28.57 | |
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U55205.043.0001 | 7/16" | 15/32" | 71/77" | 0.065" | +0.015", -0.014" | - | Not Applicable | Corrosion Resistant | 25 | €7.16 | |
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U55205.075.0001 | 3/4" | 0.813" | 1 15/32" | 0.134" | -0.026" to +0.026" | - | Not Applicable | Corrosion Resistant | 20 | €27.58 |
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APPROVED VENDOR WAS50514 Flat Washer, 1/4 In Fits Bolt Size, SAE, 5/16 In I.D., 3/4 In O.D., Plain
€21.47 /pack







