screws › hexagon head cap screws
B1821BH025F138N
Hexagon Head Cap Screw
Description
Fastener Length: 1.375"
Specifications
| Fastener Length | 1.375 |
|---|---|
| Hardness Rating | 32.0 rockwell c and 38.0 rockwell c |
| Head Height | Between 0.15 inches and 0.163 inches |
| Material | Steel |
| Min. Tensile Strength (psi) | 150000 pounds per square inch |
| Nondefinitive Specification/Std Data | 2 type and 10p style and 8 grade |
| Surface Treatment | Zinc and chromate |
| Surface Treatment Specification | Astm b633 type 2 sc 3 assn standard single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.25 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.75 inches and 0.938 inches |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | Unf (fine thread) |
| Width Between Flats | Between 0.428 inches and 0.438 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for B1821BH025F138N. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error