Diameter:1.70mm, effective cutting length:12mm, split point:135 degree, overall length: 38mm (PCB) - Spindle speed:28,100(rpm), feed rate:2.8(m/mm), chip load:0.10(mm/rev) Shank:3.175mm 1/8", nw:3.2g Applications: various metal, PCB, wood, sign label, name plate, majority of plastics…