screws › socket head cap screws
MS16998-27
Hexagon Socket Cap Screw
Description
MS 16998-27 Hexagon Socket Cap Screw
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | Between 0.469 inches and 0.500 inches |
| Finish | Cadmium ll |
| Hardness Rating | 36.0 rockwell c and 45.0 rockwell c |
| Head Diameter | Between 0.303 inches and 0.312 inches |
| Head Height | Between 0.185 inches and 0.190 inches |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 1/2 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Minimum Yield Strength | 130000 pounds per square inch |
| Size | 10-32 |
| Surface Treatment | Cadmium and chromate |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.469 inches and 0.500 inches |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 10 |
| Thread Type | N.F. - Fine |
| Width Across Flats | Between 0.156 inches and 0.158 inches |
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for MS16998-27 — functionally equivalent.
- NAS1351-3-8P Listed alternate 32.00-32 · 1/2 in · Flat chamfer · Steel
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS1351-3LB8P NAS #10-32 · 1/2 in · Flat chamfer · Plastic
- NAS1351-3LE8 NAS #10-32 · 1/2 in · Flat chamfer · Plastic
- NAS1351-3LE8P NAS #10-32 · 1/2 in · Flat chamfer · Plastic
- NAS1351C3LE8 NAS #10-32 · 1/2 in · Flat chamfer · CRES
- NAS1351C3LL8 NAS #10-32 · 1/2 in · Flat chamfer · CRES
- NAS1351C3LNH8P NAS #10-32 · 1/2 in · Flat chamfer · CRES
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Catalog data updated 2026-07-05. Report a data error