bolts › close tolerance bolts
MS27576-3-07
Military Standard Close Tolerance Bolt
Description
Close Tolerance Bolt
Specifications
| Distance From Head Largest Bearing Surface To Shank Hole Center | 0.717 inches minimum first hole and 0.747 inches maximum first hole |
|---|---|
| Fastener Length | 0.810 inches minimum and 0.830 inches maximum |
| Grip Diameter | 0.1885 inches minimum and 0.1894 inches maximum |
| Grip Length | 0.438 inches minimum and 0.454 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum and 41.0 rockwell c maximum |
| Head Height | 0.095 inches minimum and 0.110 inches maximum |
| Head Style | Dished hexagon |
| Locking Feature | Detent ring grip |
| Material | Steel |
| Min. Tensile Strength (psi) | 95000 pounds per square inch |
| Shank Unthreaded Hole Diameter | 0.070 inches minimum first hole and 0.080 inches maximum first hole |
| Surface Finish | 63.0 microinches bearing surface of head, 63.0 microinches grip |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty 2 cl 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.236 inches minimum and 0.318 inches maximum |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Width Between Flats | 0.367 inches minimum and 0.376 inches maximum |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error