screws › hexagon head cap screws
B1821BH025F150N
Hexagon Head Cap Screw
Description
Fastener Length: 1-1/2", Thread: 1/4-28, Thread Length: 15/16
Specifications
| Fastener Length | 1.500 |
|---|---|
| Hardness Rating | 32.0 rockwell c and 38.0 rockwell c |
| Head Height | Between 0.150 inches and 0.163 inches |
| Head Style | Hexagon Head |
| Length | 1 1/2 |
| Material | Steel |
| Material Specification | Sae j429 gr 8 assn standard single material response |
| 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 | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.750 inches and 0.938 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4 |
| 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
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- MS35308-308 MS 1/4-28 · 0.073 in · Hexagon Head · CRES
- MS35308-309 MS 1/4-28 · 0.073 in · Hexagon Head · CRES
- MS35308-313 MS 1/4-28 · 0.073 in · Hexagon Head · CRES
- MS90726-11 MS 1/4-28 · 0.073 in · Hexagon Head · Steel
- MS90726-12 MS 1/4-28 · 0.073 in · Hexagon Head · Steel
- MS90726-9 MS 1/4-28 · 0.073 in · Hexagon Head · Steel
- B1821AH025F100N Other 1/4-28 · 0.073 in · Hexagon Head · Steel
- B1821BH025F113N Other 1/4-28 · 0.073 in · Hexagon Head · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error