screws › hexagon head cap screws
B1821BH050C175N
Hexagon Head Cap Screw
Description
Fastener Length: 1-3/4", Thread: 1/2-13, Thread Length: 1-7/16
Specifications
| End Application | Mrap rg-33; mrap buffalo mk2a2; medium mine protected vehicle - mmpv |
|---|---|
| Fastener Length | Between 1.688 inches and 1.750 inches |
| Head Height | Between 0.302 inches and 0.323 inches |
| Head Style | Hexagon Head |
| Length | 1 3/4 |
| Material | Steel |
| Material Specification | Saej429 grade 8 assn standard single material response or stma354 grade bd assn standard single material response |
| Min. Tensile Strength (psi) | 150000 pounds per square inch |
| Surface Finish | 63.0 microinches threads |
| Surface Treatment | Chromate zinc |
| Surface Treatment Specification | Ty2cl3 federal specification single treatment response qq-p-416 |
| Thread Class | 2a |
| Thread Diameter | 0.500 |
| Thread Direction | Right-hand |
| Thread Length | Between 1.250 inches and 1.442 inches |
| Thread Qty Per Inch (tpi) | 13 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 1/2 |
| Width Between Flats | Between 0.736 inches and 0.750 inches |
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
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- MS35307-413S316 MS 1/2-13 · 0.073 in · Hexagon Head · CRES
- MS35307-414 MS 1/2-13 · 0.073 in · Hexagon Head · CRES
- MS90725-114 MS 1/2-13 · 0.073 in · Hexagon Head · Steel
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Catalog data updated 2026-07-05. Report a data error