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| Bolt Size | Inside Diameter (in) | Outside Diameter (in) | Thickness Range (in) |
|---|---|---|---|
| #2 | 0.089 – 0.094 | 0.245 – 0.250 | 0.016 – 0.025 |
| #4 | 0.120 – 0.133 | 0.307 – 0.320 | 0.025 – 0.040 |
| #6 | 0.151 – 0.164 | 0.370 – 0.390 | 0.036 – 0.065 |
| #8 | 0.183 – 0.196 | 0.433 – 0.453 | 0.036 – 0.065 |
| #10 | 0.214 – 0.227 | 0.495 – 0.515 | 0.036 – 0.065 |
| 1/4" | 0.276 – 0.296 | 0.620 – 0.640 | 0.051 – 0.080 |
| 5/16" | 0.339 – 0.359 | 0.681 – 0.703 | 0.051 – 0.080 |
| 3/8" | 0.401 – 0.421 | 0.805 – 0.827 | 0.051 – 0.080 |
| 7/16" | 0.464 – 0.484 | 0.915 – 0.937 | 0.051 – 0.080 |
| 1/2" | 0.526 – 0.546 | 1.057 – 1.092 | 0.074 – 0.121 |
| 5/8" | 0.649 – 0.686 | 1.305 – 1.342 | 0.074 – 0.121 |
| 3/4" | 0.805 – 0.842 | 1.462 – 1.499 | 0.108 – 0.160 |
| 7/8" | 0.931 – 0.968 | 1.743 – 1.780 | 0.108 – 0.160 |
| 1" | 1.055 – 1.092 | 1.993 – 2.030 | 0.122 – 0.177 |
Note: Dimensions may vary slightly based on manufacturer specifications and tolerances.
Product Description for E-commerce:
18-8 Stainless Steel Flat Washers – SAE/USS Pattern
Overview:
These flat washers are crafted from high-quality 18-8 stainless steel, equivalent to AISI 304, offering excellent corrosion resistance and durability. Designed to distribute load and reduce surface wear, they are suitable for various applications, including automotive, marine, and industrial uses.
Key Features:
Material: 18-8 Stainless Steel (AISI 304 equivalent)
Standards: Conforms to ASME B18.21.1-2009 specifications
Corrosion Resistance: Ideal for environments exposed to moisture and chemicals
Applications: Suitable for use with bolts and screws in various assemblies
Finish: Uncoated, natural stainless steel finish
Product Specifications:
Inside Diameter: Varies by bolt size (see chart above)
Outside Diameter: Varies by bolt size (see chart above)
Thickness Range: Varies by bolt size (see chart above)
Usage Recommendations:
These washers are ideal for applications requiring corrosion resistance and strength. They are commonly used in conjunction with bolts and nuts to distribute load and prevent damage to surfaces.