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Product Description
Part Number: 31CFHNSS
Diameter/Pitch: 5/16"-18
Grade: 18-8 (304) Stainless Steel
Finish: Plain
Thread Series: Coarse (UNC)
BoltsandNuts.com
5/16"-18 18-8 Stainless Steel Finished Hex Nuts
Product Description
Part Number: 31CFHNSS
Diameter/Pitch: 5/16"-18
Grade: 18-8 (304) Stainless Steel
Finish: Plain
Thread Series: Coarse (UNC)
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$0.18/pc
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$0.18
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| Thread Size | 5/16"-18 |
| Finish | Plain |
| Thread Series | Coarse (UNC) |
| Proof Load (min) | 3,670 lbf |
| Height | 0.266" nom |
| Grade | 18-8 Stainless |
| Head Type | Hex |
| Head Height | 17/64" |
| Specifications Met | ASME B18.2.2, ASTM F594 |
| Material | 18-8 Stainless (Type 304), ASTM F594 |
| Wrench Size | 0.500" (1/2") |
| Thread Class | 2B |
| Thread Type | Finished Hex |
Technical Drawing
Not to scale · ASME B18.2.2 · See table for exact dimensions
Technical Dimensions
| Width Across Flats | 0.500" (1/2") |
| Nut Height | 0.266" nom |
| Thread Size | 5/16"-18 |
| Width Across Corners | 0.577" max |
| Thread Class | 2B |
| Proof Load | 3,670 lbf |
Six-sided nut with internal threads and flat bearing faces for standard wrench engagement. Chamfered on both faces for easy starting and full thread engagement with mating bolts.
Dimensions conform to ASME B18.2.2 and may vary within specified manufacturing tolerances.
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