screws › machine screws
ST3M506-4-13-1
Screw
Description
Fastener Length: 1-15/64", Thread: 1/4-28, Thread Length: 25/64"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 1.193 inches minimum and 1.240 inches maximum |
| Head Diameter | 0.4208 inches minimum and 0.4258 inches maximum |
| Head Height | 0.015 inches maximum |
| Head Style | Fillister countersunk |
| Internal Drive Style | High-torque |
| Length | 1 15/64 |
| Material | Steel |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.397 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for ST3M506-4-13-1. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error