screws › hexagon head cap screws
B1821BH050C550N
Hexagon Head Cap Screw
Description
Fastener Length: 5-1/2", Thread: 1/2-13, Thread Length: 1-3/8"
Specifications
| Fastener Length | 5.312 inches minimum and 5.500 inches maximum |
|---|---|
| Head Height | 0.302 inches minimum and 0.323 inches maximum |
| Head Style | Hexagon Head |
| Length | 5 1/2 |
| Material | Steel |
| Material Specification | Saej429 grade 8 assn std single material response or astma354 grade bd 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 Finish | 63.0 microinches threads |
| 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 | 1.375 inches minimum, 2.707 inches minimum |
| Thread Qty | 13 |
| Thread Qty Per Inch (tpi) | 13 |
| Thread Series Designator | UNC |
| Thread Size | 1/2 |
| Width Between Flats | 0.736 inches minimum and 0.750 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- B1821BH050C075N
- B1821BH050C175N
- B1821BH050C225N
- B1821BH050C350N
- B1821BH050C400N
- B1821BH050C550N
Cross-reference
No interchangeable or dimensionally similar parts are on record for B1821BH050C550N. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error