screws › machine screws
HT4028L4-14
Screw
Description
Fastener Length: 1-23/64", Thread: 1/4-28, Thread Length: 31/64"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 1.329 inches minimum and 1.359 inches maximum |
| Grip Diameter | 0.2490 inches minimum and 0.2495 inches maximum |
| Grip Length | 0.865 inches minimum and 0.885 inches maximum |
| Head Diameter | 0.389 inches minimum and 0.394 inches maximum |
| Head Style | Oval countersunk |
| Internal Drive Style | High-torque |
| Length | 1 23/64 |
| Material | Titanium |
| Material Specification | Ams 4928 assn std single material response or ams 4967 assn std single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Surface Finish | 32.0 microinches grip, 32.0 microinches threads |
| 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 | UNF |
| Thread Size | 1/4 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for HT4028L4-14. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error