bolts › machine bolts
BACB30LJ7DU21
Bolt
Description
Fastener Length: 1-55/64", Thread: 7/16-20, Thread Length: 9/16"
Specifications
| Distance From Head Largest Bearing Surface To Shank Hole Center | 1.612 inches minimum all holes and 1.662 inches maximum all holes |
|---|---|
| Fastener Length | 1.838 inches minimum and 1.868 inches maximum |
| Grip Diameter | 0.4365 inches minimum and 0.4370 inches maximum |
| Grip Length | 1.302 inches minimum and 1.322 inches maximum |
| Head Height | 0.219 inches minimum and 0.234 inches maximum |
| Head Style | Undercut hexagon |
| Length | 1 55/64 |
| Material | Iron |
| Shank Unthreaded Hole Diameter | 0.106 inches minimum first hole and 0.116 inches maximum first hole |
| Specification Data | 81205-bacb30lj manufacturers standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.438 |
| Thread Direction | Right-hand |
| Thread Length | 0.516 inches minimum and 0.566 inches maximum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNF |
| Thread Size | 7/16 |
| Width Between Flats | 0.679 inches minimum and 0.690 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for BACB30LJ7DU21. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error