screws › hexagon head cap screws
B1821BH050F250N
Hexagon Head Cap Screw
Description
length: 2-1/2", thread: 1/2-20, B1821BH050
Specifications
| Fastener Length | 2.406 inches minimum and 2.500 inches maximum |
|---|---|
| Hardness Rating | 32.0 rockwell c minimum and 38.0 rockwell c maximum |
| Head Height | 0.302 inches minimum and 0.323 inches maximum |
| Head Style | Hexagon Head |
| Material | Steel |
| Material Specification | Sae j429 gr 8 assn std 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 ty 2 sc 3 assn std single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.500 |
| Thread Direction | Right-hand |
| Thread Length | 1.250 inches minimum and 1.438 inches maximum |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNF |
| Width Between Flats | 0.736 inches minimum and 0.750 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for B1821BH050F250N. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error