bolts › machine bolts
HT4057-6-8A
Bolt
Description
Fastener Length: 1-5/32", Thread: 3/8-24, Thread Length: 21/32"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 1.126 inches minimum and 1.156 inches maximum |
| Grip Diameter | 0.3735 inches minimum and 0.3745 inches maximum |
| Grip Length | 0.490 inches minimum and 0.510 inches maximum |
| Head Diameter | 0.692 inches minimum and 0.763 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | High-torque |
| Length | 1 5/32 |
| Material | Steel |
| Material Specification | Ams5629 assn std single material response |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Special Features | With cetyl alcohol per mil-l-87132 type 1 gr b |
| Surface Treatment | Aluminum and chromate |
| Surface Treatment Specification | Mil-c-83488 type 2 class 3 mil spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | 0.616 inches minimum and 0.666 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 3/8 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for HT4057-6-8A. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error