screws › machine screws
90298A636
Screw
Description
Fastener Length: 3-", Thread: 1/4-18, Head Width: 3/16", Thread Length: 1/2"
Specifications
| Fastener Length | 3.000 |
|---|---|
| Head Diameter | 0.543 inches minimum and 0.562 inches maximum |
| Head Height | 0.240 inches minimum and 0.250 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Material | CRES |
| Material Specification | Qq-s-763 fed spec single material response |
| Shoulder Diameter | 0.375 inches nominal first shoulder |
| Shoulder Length | 1.250 inches nominal first shoulder |
| Shoulder Shape | Round first shoulder |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.500 |
| Thread Qty | 18 |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series Designator | UNC |
| Thread Size | 1/4 |
| Width Across Flats | 0.188 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for 90298A636. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error