screws › machine screws
NAS1802-4-18
Machine Screw
Description
Fastener Length: 1-5/32", Thread: 1/4-28, Thread Length: 1-5/32", NAS1802 series screw
Specifications
| Fastener Length | 1.109 inches minimum and 1.156 inches maximum |
|---|---|
| Head Height | 0.125 inches minimum and 0.140 inches maximum |
| Head Style | Hexagon Head |
| Length | 1 5/32 |
| Material | Steel |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 1.109 inches minimum and 1.156 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.367 inches minimum and 0.376 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1802-4-18. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error