bolts › internal wrenching bolts
CA21037-4-8HS
Stud
Description
Fastener Length: 1-25/64", Thread: 1/4-28, Head Width: 9/64", Thread Length: 13/16"
Specifications
| Fastener Length | 1.392 |
|---|---|
| Internal Drive Style | Hexagon |
| Length | 1 25/64 |
| Material | Steel |
| Material Specification | Mil-s-5626 mil spec 1st material response or mil-s-6049 mil spec 2nd material response |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Special Features | 1.247 in. lg groove and wire formspring hold out device |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416 ty 2 cl 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.682 inches minimum and 0.821 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | ACME |
| Thread Size | 1/4 |
| Width Across Flats | 0.141 inches minimum and 0.143 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for CA21037-4-8HS. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error