bolts › machine bolts
LWB22-4-18
Bolt
Description
Fastener Length: 1-17/32", Thread: 1/4-28, Thread Length: 13/32"
Specifications
| Extended Washer Diameter | 0.433 |
|---|---|
| Extended Washer Thickness | 0.069 |
| Fastener Length | 1.537 |
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 1.125 |
| Hardness Rating | 46.0 rockwell c minimum and 50.0 rockwell c maximum |
| Head Height | 0.300 |
| Head Style | Double hexagon w/hole |
| Length | 1 17/32 |
| Material | Steel |
| Material Specification | Ams 6485 assn std single material response or ams6487 assn std single material response |
| Min. Tensile Strength (psi) | 220000 pounds per square inch |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Nas 672 assn std single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.412 inches minimum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.304 inches minimum and 0.313 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for LWB22-4-18. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error