3pcs C3/4-ER20A-1.38L+ 1pcs R8-3/4-M12 STEEL COLLET CHUCK SEST TTS TOOL HOLDER
R8 Collet Drawbar Thread : M12
For all ER20 Collets
3PCS 3/4 ER20 1.38 TTS TOOL HOLDER
FLANGE IS 1.5 INCH
SHANK DIAMETER 3/4"
Collet nut included
TIR :0.01mm/0.0004"
Material：Carbon steel