bolts › close tolerance bolts
BACB30LU4-6
Close Tolerance Bolt
Description
Fastener Length: 13/16", Thread: 1/4-28, Thread Length: 27/64
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.785 inches minimum and 0.815 inches maximum |
| Head Diameter | 0.510 |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 13/16 |
| Material | Steel |
| Screw Material | Steel |
| Screw Surface Treatment | Cadmium or nickel |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.425 inches minimum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for BACB30LU4-6. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error