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Product Specifications:
| Item | Flat Washer |
| Color | Silver |
| Finish | Plain |
| Fits Bolt Size | #4 |
| Flat Washer Type | Oversized |
| For Screw Size | #4 |
| Grade | Grade 18-8 |
| Hardness | Rockwell B80 |
| Inside Dia. Tolerance | -0.01" to +0.01" |
| Material | Stainless Steel |
| Material Grade/class | 18-8 |
| Material Quality Standards | Astm A582 |
| Max. Thickness | 0.031" |
| Min. Thickness | 0.031" |
| Outside Dia. | 5/16" |
| Outside Dia. Tolerance | -0.01" to +0.01" |
| Resistance Properties | Chemical Resistant, Corrosion Resistant |
| Rockwell Hardness | B83 |
| System Of Measurement | Imperial |
| Tensile Strength | 90000 psi |
| Thickness | 0.032" |
| Thickness Tolerance | -0.004" to +0.005" |
| Washer Type | Oversized Washer |
Shipping Info:
| Ship weight (kg) | 0.02 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 7.62 |
| Ship width (cm) | 3.81 |
| HS code | 7318220000 |
| Country of Origin | US |
Product Variants
| Product | Model | Fits Bolt Size | Thickness | Min. Thickness | Max. Thickness | For Screw Size | Thickness Tolerance | Inside Dia. Tolerance | Outside Dia. Tolerance | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
U51530.013.0001 | #6 | 1/32" | 0.031" | 0.031" | #6 | - | - | - | 50 | €2.11 | |
![]() |
U51530.013.0002 | #6 | 0.047" | 0.047" | 0.047" | #6 | - | - | - | 50 | €15.50 | |
![]() |
U51530.012.0075 | 1/8" | 0.047" | 0.047" | 2/25" | 1/8" | +0.015", -0.018" | -0.01" to +0.01" | -0.008" to +0.029" | 50 | €6.07 | |
![]() |
U51530.019.0001 | #10 | 0.047" | 0.034" | 0.063" | #10 | +0.016", -0.013" | -0.005" to +0.008" | -0.005" to +0.015" | 50 | €3.27 | |
![]() |
U51530.019.0002 | #8 | 0.047" | 0.047" | 0.047" | #8 | - | - | - | 50 | €5.15 | |
![]() |
U51530.018.0100 | 3/16" | 0.047" | 0.047" | 2/25" | 3/16" | +0.015", -0.018" | -0.01" to +0.01" | -0.008" to +0.029" | 50 | €11.03 | |
![]() |
U51530.018.0075 | 3/16" | 0.047" | - | - | - | - | - | - | 50 | €6.17 |
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APPROVED VENDOR Z0538-188 Flat Washer, 4 Bolt Size, Oversized, 1/8 In I.D., 5/16 In O.D.
€6.17 /pack







