screws › machine screws
3M1034C4-10-21
Screw
Description
Fastener Length: 1-7/64", Thread: 1/4-28, Thread Length: 31/64"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 1.079 inches minimum and 1.109 inches maximum |
| Grip Diameter | 0.2490 inches minimum and 0.2495 inches maximum |
| Grip Length | 0.615 inches minimum and 0.635 inches maximum |
| Head Diameter | 0.497 inches minimum and 0.507 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | High-torque |
| Length | 1 7/64 |
| Material | Steel |
| Material Specification | Ams 5629 assn std single material response |
| Special Features | Injection port 0.120 in. lg,0.060 in. w; 0.210 in. distance from head; 0.138-32 unjc thread,tapped hole |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.444 inches minimum and 0.494 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for 3M1034C4-10-21. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error