Made from cold finished steel. Carburized and hardened with a black oxide finish. Ground insert diameter tolerance ±.0005″.
| S&W P/N | Button Height (A) | Hex Size (B) | Thread Length (C) | Thread Size (D) |
|---|---|---|---|---|
| HJF-1 | 1/2 | 3/8 | 3/8 | 1/4-28 |
| HJF-2 | 3/4 | 3/8 | 3/8 | 1/4-28 |
| HJF-3 | 1 | 3/8 | 3/8 | 1/4-28 |
| HJF-4 | 1/2 | 1/2 | 1/2 | 3/8-24 |
| HJF-5 | 3/4 | 1/2 | 1/2 | 3/8-24 |
| HJF-6 | 1 | 1/2 | 1/2 | 3/8-24 |
| HJF-7 | 1/2 | 5/8 | 1/2 | 1/2-20 |
| HJF-8 | 3/4 | 5/8 | 1/2 | 1/2-20 |
| HJF-9 | 1 | 5/8 | 1/2 | 1/2-20 |
