bolts › machine bolts
BACB30LM4D75
Bolt
Description
Fastener Length: 5-1/4", Thread: 1/4-28, Thread Length: 27/64"
Specifications
| Fastener Length | 5.212 inches minimum and 5.257 inches maximum |
|---|---|
| Grip Diameter | 0.2490 inches minimum and 0.2495 inches maximum |
| Grip Length | 4.677 inches minimum and 4.697 inches maximum |
| Head Height | 0.125 inches minimum and 0.140 inches maximum |
| Head Style | Dished hexagon |
| Length | 5 1/4 |
| Material | Steel |
| Material Specification | Ams 5737 assn std single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Part Name Assigned By Controlling Agency | Bolt, hex head, 160 ksi min tensile, long thread, a286, nonlocking, nominal |
| Special Features | Drilled shank centered at positon approximately 0.178 inches from threaded end |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Amsqq-p-416, ty 2, cl 2 assn std single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.420 inches minimum and 0.430 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.430 inches minimum and 0.439 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- BACB30LM4D7
- BACB30LM4D75
Cross-reference
No interchangeable or dimensionally similar parts are on record for BACB30LM4D75. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error