FH-RB-AL Flat Head Round Body Plain
| Thread | P/N | T(GRIP RANGE) | A | Hole Size | D | B | K | L | |
| Min | Max | Ref | 0.1 | 0.07 | ±0.3(*±0.25) | ±0.15(*±0.1) | ±0.3(*±0.25) | ||
| 0 | -0.1 | ||||||||
| M4*0.7 | FH-RB/AL-0420 | 0.5-2.0 | 6 | 6 | 5.9 | 8.8* | 0.8* | 10.5* | |
| M5*0.8 | FH-RB/AL-0525 | 0.5-2.5 | 7.5 | 7 | 6.9 | 10 | 1 | 13 | |
| M6*1.0 | FH-RB/AL-0625 | 0.5-3.0 | 9.2 | 9 | 8.9 | 12.3 | 1.5 | 15 | |
| M8*1.25 | FH-RB/AL-0830 | 1.0-3.5 | 10.2 | 11 | 10.9 | 14.3 | 1.5 | 16.5 | |
| M10*1.5 | FH-RB/AL-1040 | 1.0-4.0 | 11.5 | 13 | 12.9 | 16.3 | 1.6 | 19 | |