screws › close tolerance screws
ST3M866-4-2
Screw
Description
Fastener Length: 39/64", Thread: 1/4-28, Thread Length: 13/32"
Specifications
| Fastener Length | 0.572 inches minimum and 0.619 inches maximum |
|---|---|
| Grip Diameter | 0.2490 inches minimum and 0.2495 inches maximum |
| Grip Length | 0.208 inches minimum and 0.228 inches maximum |
| Head Diameter | 0.4975 inches minimum and 0.4980 inches maximum |
| Head Height | 0.140 inches minimum and 0.150 inches maximum |
| Head Style | Pan no. 2 |
| Internal Drive Style | High-torque |
| Length | 39/64 |
| Material | Titanium |
| Material Specification | Ams4967,comp 6al-4v assn std single material response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.344 inches minimum and 0.411 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 ST3M866-4-2. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error