screws › machine screws
FIT01-0003-4004
Screw
Description
Fastener Length: 25/32", Thread: 1/4-28, Head Width: 5/32", Thread Length: 35/64"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.776 inches minimum and 0.796 inches maximum |
| Grip Diameter | 0.2490 inches minimum and 0.2495 inches maximum |
| Grip Length | 0.240 inches minimum and 0.260 inches maximum |
| Head Diameter | 0.355 inches minimum and 0.397 inches maximum |
| Head Style | Oval countersunk |
| Internal Drive Style | Hexagon |
| Length | 25/32 |
| Material | Iron |
| Material Specification | Ams 5732 assn std single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Special Features | Three key slots 0.040 in. min. and 0.044 in. max. dia. evenly spaced and 0.681 in. min. and 0.711 in. max. length |
| Surface Finish | 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.516 inches minimum and 0.556 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Across Flats | 0.1565 inches minimum and 0.1587 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for FIT01-0003-4004. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error