screws › socket head cap screws
120000-4-6
Screw
Description
Fastener Length: 1-15/64", Thread: 1/4-28, Head Width: 9/64", Thread Length: 45/64"
Specifications
| Countersink Angle | 100.0 degrees |
|---|---|
| Fastener Length | 1.237 |
| Head Diameter | 0.430 inches minimum and 0.440 inches maximum |
| Head Style | Oval countersunk |
| Internal Drive Style | Hexagon |
| Length | 1 15/64 |
| Material | Steel |
| Material Specification | Mil-s-5626 mil spec 1st material response or mil-s-6049 mil spec 2nd material response |
| Special Features | Furnished with one spring,thread to be double lead. |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 type 2 class 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.567 inches minimum and 0.706 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
| Width Across Flats | 0.141 inches minimum and 0.143 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for 120000-4-6. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error