screws › machine screws
9421705
Screw
Description
Fastener Length: 3/4", Thread: 1/4-18, Head Width: 1/4", Thread Length: 5/8"
Specifications
| Fastener Length | 0.720 inches minimum and 0.750 inches maximum |
|---|---|
| Hardness Rating | 37.0 rockwell c minimum and 45.0 rockwell c maximum |
| Head Diameter | 0.457 inches minimum and 0.469 inches maximum |
| Head Height | 0.306 inches minimum and 0.312 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 3/4 |
| Material | Steel |
| Material Specification | Astm a574 assn std single material response |
| Surface Treatment | Cadmium or zinc |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.639 inches maximum |
| Thread Qty | 18 |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series Designator | UNRC |
| Thread Size | 1/4 |
| Width Across Flats | 0.250 inches minimum and 0.253 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for 9421705. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error