bolts › machine bolts
C305-7-19
Bolt
Description
Fastener Length: 1-63/64", Thread: 3/8-20, Thread Length: 53/64"
Specifications
| Extended Washer Diameter | 0.820 inches minimum and 0.830 inches maximum |
|---|---|
| Extended Washer Thickness | 0.083 |
| Fastener Length | 1.986 inches minimum and 2.016 inches maximum |
| Grip Diameter | 0.4360 inches minimum and 0.4370 inches maximum |
| Grip Length | 1.177 inches minimum and 1.197 inches maximum |
| Hardness Rating | 51.0 rockwell c minimum and 62.0 rockwell c maximum |
| Head Height | 0.464 |
| Head Style | Double hexagon w/hole |
| Length | 1 63/64 |
| Material | Steel |
| Material Specification | Ams 6485 assn std single material response or ams 6487 assn std single material response |
| Min. Tensile Strength (psi) | 260000 pounds per square inch |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Mil-c-8837 ty 1 class 2 mil spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.437 |
| Thread Direction | Right-hand |
| Thread Length | 0.789 inches minimum and 0.839 inches maximum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNF |
| Thread Size | 3/8 |
| Width Between Flats | 0.553 inches minimum and 0.564 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for C305-7-19. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error