screws › socket head cap screws
MS24671-40
Hexagon Socket Flat Head Cap Screw
Description
MS 24671-40 Hexagon Socket Flat Head Cap Screw
Specifications
| Countersink Angle | Between 80.0 degrees and 84.0 degrees |
|---|---|
| Fastener Length | Between 0.734 inches and 0.766 inches |
| Features Provided | Casehardened |
| Finish | Passivate |
| Head Diameter | Between 0.600 inches and 0.656 inches |
| Head Style | Flat Head, Flat countersunk |
| Internal Drive Style | Hexagon |
| Length | 3/4 |
| Material | CRES |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Minimum Yield Strength | 30000 pounds per square inch |
| Nondefinitive Specification/Std Data | 4 type |
| Size | 5/16-18 |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.425 inches and 0.568 inches |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series Designator | Unc (coarse thread) |
| Thread Type | N.C. - Coarse |
| Width Across Flats | 0.188 |
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 MS24671-40. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error