screws › socket head cap screws
3176207-C-209
Cap Screw
Description
Fastener Length: 2-", Thread: 3/8-14, Head Width: 3/8", Thread Length: 1-3/8"
Specifications
| Fastener Length | 2.000 |
|---|---|
| Features Provided | Casehardened |
| Hardness Rating | 37.0 rockwell c minimum and 45.0 rockwell c maximum |
| Head Diameter | 0.642 inches minimum and 0.656 inches maximum |
| Head Height | 0.430 inches minimum and 0.438 inches maximum |
| Head Style | Fillister |
| Internal Drive Style | Hexagon |
| Locking Feature | Patch threads |
| Material | Steel |
| Special Features | Critical item hydrogen embrittlement relief required |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches threads |
| Surface Treatment | Zinc |
| Surface Treatment Specification | Qq-z-325,type 2,class 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.437 |
| Thread Direction | Right-hand |
| Thread Length | 1.380 inches minimum |
| Thread Qty | 14 |
| Thread Qty Per Inch (tpi) | 14 |
| Thread Series Designator | UNC |
| Thread Size | 3/8 |
| Width Across Flats | 0.375 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
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Catalog data updated 2026-07-05. Report a data error