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B1821BH031C250D
Screw
Description
Fastener Length: 2-1/2", Hole Diameter: 1/16", Thread: 1/4-18, Thread Length: 0-63/64"
Specifications
| Fastener Length | 2.406 inches minimum and 2.500 inches maximum |
|---|---|
| Features Provided | Finished head |
| Hardness Rating | 32.0 rockwell c minimum and 38.0 rockwell c maximum |
| Head Height | 0.195 inches minimum and 0.211 inches maximum |
| Head Style | Hexagon Head |
| Hole Configuration Style | Hexagon flats |
| Hole Diameter | 0.060 inches minimum and 0.068 inches maximum |
| Hole Quantity | 1 |
| Hole Type | Drilled |
| Length | 2 1/2 |
| Material | Steel |
| Material Specification | Sae grade 8 assn std single material response |
| Min. Tensile Strength (psi) | 150000 pounds per square inch |
| Nondefinitive Specification/Std Data | 2 type and 10p style |
| Surface Treatment | Zinc and chromate |
| Surface Treatment Specification | Astm b633 ty 2 sc 3 assn std single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.864 inches minimum and 1.052 inches maximum |
| Thread Qty | 18 |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series Designator | UNC |
| Thread Size | 1/4 |
| Width Between Flats | 0.489 inches minimum and 0.500 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- B1821BH031C088N
- B1821BH031C175N
- B1821BH031C250D
- B1821BH031C250N
Cross-reference
No interchangeable or dimensionally similar parts are on record for B1821BH031C250D. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error