Head Dia.:6.3mm/1/4-20 UNC
Shank Dia.:3.7mm/.145
Model Thread Length Shank Length
M6-11-22SJ12 11mm 22mm
M6-11-27SJ12 11mm 27mm
M6-11-32SJ12 11mm 32mm
M6-11-42SJ12 11mm 42mm
M6-11-52SJ12 11mm 52mm
M6-20-42SJ12 20mm 22mm
M6-20-27SJ12 20mm 27mm
M6-20-32SJ12 20mm 32mm
M6-20-42SJ12 20mm 42mm
M6-20-52SJ12 20mm 52mm
M6 Drive Pin could match with Master 450 and S1J,S1JL to use together.