| Part No |
External Thread A |
Internal Thread B |
Head Type C |
|
  |
Type 01 | 1/4" BSPT | 5/16" UNC | Hexagonal Head |
| Type 02 | 3/8" BSPT | 3/8" UNC | Hexagonal Head | |
| Type 03 | 1/2" BSPT | 7/16" UNC | Hexagonal Head | |
| Type 04 | 3/4" BSPT | 1/2" UNC | Hexagonal Head | |
| Type 05 | 1" BSPT | 3/4" UNC | Hexagonal Head | |
| Type 06 | 3/8" BSPT | 3/8" UNC | Hexagonal Head | |
 |
Type 50 | 1/4" NPT | 1/4" UNC | Square Head |
| Type 51 | 3/8" NPT | 3/8" UNC | Square Head |