screws › hexagon head cap screws
B1821AH031C088N
Screw
Description
Fastener Length: 7/8", Thread: 1/4-18, Thread Length: 7/8"
Specifications
| Fastener Length | 0.880 |
|---|---|
| Features Provided | Finished head |
| Head Height | 0.195 inches minimum and 0.211 inches maximum |
| Head Style | Hexagon Head |
| Length | 7/8 |
| Material | Steel |
| Material Specification | Sae j429 gr8 assn std 1st material response or astm a354 assn std 2nd material response |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty2 cl3 fed spec single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.755 inches minimum and 0.880 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.
- B1821AH031C075N
- B1821AH031C088N
- B1821AH031C100N
- B1821AH031C125N
Cross-reference
No interchangeable or dimensionally similar parts are on record for B1821AH031C088N. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error