screws › machine screws
LL57U40J3
Screw
Description
Fastener Length: 3/4", Thread: 4-40
Specifications
| Fastener Length | 0.750 |
|---|---|
| Head Style | Hexagon Head |
| Internal Drive Style | Hexagon |
| Length | 3/4 |
| Locking Feature | Strip locking feature |
| Material | Steel |
| Special Features | Locking feature is 0.188 in. longll blue kel f-320-390 degrees |
| Surface Treatment | Passivate |
| Thread Diameter | 0.112 |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
| Thread Size | 4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- LL57U40J3
- LL57U40J4
Cross-reference
No interchangeable or dimensionally similar parts are on record for LL57U40J3. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error