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BACB30NF5-18
Bolt
Description
Fastener Length: 1-37/64", Hole Diameter: 5/16", Thread: 1/4-24, Thread Length: 31/64"
Specifications
| Fastener Length | 1.569 inches minimum and 1.589 inches maximum |
|---|---|
| Grip Length | 1.115 inches minimum and 1.135 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Height | 0.156 inches minimum and 0.171 inches maximum |
| Head Style | Dished hexagon |
| Hole Diameter | 0.3110 inches minimum and 0.3120 inches maximum |
| Length | 1 37/64 |
| Material | Steel |
| Material Specification | Mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams 6322 assn std 2nd material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Surface Finish | 32.0 microinches bearing surface of head32.0 microinches grip32.0 microinches threads |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 type 2 class 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.444 inches minimum and 0.494 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.492 inches minimum and 0.502 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for BACB30NF5-18. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error