screws › socket head cap screws
MS16997-188L
Military Standard Socket Head Cap Screw
Description
Fastener Length: 1-1/2", Thread: 3/4-10, Head Width: 5/8", Thread Length: 1-1/2", MS16997 series screw
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | Between 1.440 inches and 1.500 inches |
| Head Diameter | Between 1.107 inches and 1.125 inches |
| Head Height | Between 0.740 inches and 0.750 inches |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 1 1/2 |
| Locking Feature | Patch threads or pellet threads or strip threads |
| Material | Plastic |
| Material Specification | Astm a574 assn standard single material response fastener |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Special Features | Black oxide surface treatment |
| Surface Treatment | Chromate and cadmium, Oxide |
| Surface Treatment Specification | Ty2cl2 federal specification single treatment response fastener or mil-c-815622 military specification single treatment response fastener qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.750 |
| Thread Direction | Right-hand |
| Thread Length | 1.500 |
| Thread Qty | 10 |
| Thread Qty Per Inch (tpi) | 10 |
| Thread Series | UNRC |
| Thread Series Designator | UNRC |
| Thread Size | 3/4 |
| Width Across Flats | Between 0.625 inches and 0.631 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS16997-188L. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error