screws › machine screws
1-080-298-01
Screw
Description
Fastener Length: 11/32", Hole Diameter: 1/16", Thread: 1/4-28, Head Width: 7/32", Thread Length: 1/4"
Specifications
| Fastener Length | 0.330 inches minimum and 0.350 inches maximum |
|---|---|
| Hardness Rating | 30.0 rockwell c minimum and 34.0 rockwell c maximum |
| Head Diameter | 0.428 inches minimum and 0.448 inches maximum |
| Head Height | 0.170 inches minimum and 0.190 inches maximum |
| Head Style | Flat chamfer |
| Hole Configuration Style | Round longitudinal hole |
| Hole Diameter | 0.071 |
| Internal Drive Style | Hexagon |
| Length | 11/32 |
| Material | Steel |
| Material Specification | Ams 6382,comp 4140 assn std single material response |
| Shoulder Diameter | 0.307 inches minimum first shoulder and 0.317 inches maximum first shoulder |
| Shoulder Length | 0.030 inches minimum first shoulder and 0.040 inches maximum first shoulder |
| Shoulder Shape | Round first shoulder |
| Special Features | Thread relief under shoulder 0.060 in. min,0.070 in. max lg,0.196 in. min,0.200 in. max dia |
| Surface Treatment | Oxide |
| Surface Treatment Specification | Ams 2485 assn std single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.220 inches minimum and 0.260 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
| Width Across Flats | 0.219 inches minimum and 0.221 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for 1-080-298-01. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error