screws › machine screws
HT4068-4-15A
Screw
Description
Fastener Length: 1-27/64", Thread: 1/4-28, Thread Length: 31/64"
Specifications
| Countersink Angle | 101.0 degrees |
|---|---|
| Fastener Length | 1.392 inches minimum and 1.422 inches maximum |
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 0.928 inches minimum and 0.948 inches maximum |
| Head Diameter | 0.3898 inches minimum and 0.3948 inches maximum |
| Head Style | Oval countersunk |
| Internal Drive Style | High-torque |
| Length | 1 27/64 |
| Material | Steel |
| Material Specification | Ams 5629 assn std single material response |
| Surface Treatment | Aluminum and chromate |
| Surface Treatment Specification | Mil-c-83488 ty 2 cl 3 mil spec single treatment response |
| 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 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- HT4068-4-8A
- HT4068-4-15A
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- 3M926-4-15 Commercial 1/4-28 · 0.073 in · Oval countersunk · Steel
- 3M926-4L15 Commercial 1/4-28 · 0.073 in · Oval countersunk · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error