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ST3M455-4L20-1
Screw
Description
Fastener Length: 1-47/64", Thread: 1/4-28, Thread Length: 31/64"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 1.704 inches minimum and 1.734 inches maximum |
| Grip Diameter | 0.2490 inches minimum and 0.2495 inches maximum |
| Grip Length | 1.240 inches minimum and 1.260 inches maximum |
| Head Diameter | 0.389 inches minimum and 0.394 inches maximum |
| Head Height | 0.015 inches maximum |
| Head Style | Fillister countersunk |
| Internal Drive Style | High-torque |
| Length | 1 47/64 |
| Material | Steel |
| Material Specification | 23-112,fscm 76301 mfr ref single material response |
| Surface Treatment | Passivate |
| 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 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for ST3M455-4L20-1. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error