screws › machine screws
MS16995-72
Hexagon Socket Cap Screw
Description
Fastener Length: 2-1/2", Thread: 5/16-18, Head Width: 1/4", Thread Length: 1-1/8"
Specifications
| Departure From Cited Designator | As modified by condition a |
|---|---|
| Departure From Cited Document | As modified by material |
| Fastener Length | 2.500 inches maximum |
| Finish | Passivate |
| Hardness Rating | 80.0 rockwell b minimum |
| Head Diameter | 0.457 inches minimum and 0.469 inches maximum |
| Head Height | 0.306 inches minimum and 0.313 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 2 1/2 |
| Material | CRES |
| Material Specification | Qq-s-763 fed spec single material response |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Minimum Yield Strength | 30000 pounds per square inch |
| Nondefinitive Specification/Std Data | 6 type |
| Size | 5/16-18 |
| Surface Treatment | Passivate |
| Test Data Document | 81348-ffs86 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.). or 96906-ms16995-72 standard (includes industry or association standards, individual manufactureer standards, etc.). |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 1.125 inches maximum |
| Thread Qty | 18 |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series Designator | UNC |
| Thread Size | 1/4 |
| Thread Type | N.C. - Coarse |
| Width Across Flats | 0.250 inches minimum and 0.253 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS16995-72. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error