20pcs H.S.S. Mini Drill SetItemDescriptionEXP1-1521#61-#80 with Plastic Case
20pcs H.S.S. Mini Drill SetItemDescriptionEXP1-15200.3-1.6mm with Plastic Case
3PC. Titanium Nitride Coated M2 High Speed Steel Step DrillFeatures:This compact set replaces 28 individual drill bits.Two-flute design gives you faster, smoother cutting.Titanium nitride coating for cooler running.Automatically deburrs holes as you drillQuick-change 1/4" hex shankM2 high speed steel for long lifeItemDescriptionCPIQ-1616Sizes: 3/16” to 1/2” six step bit (3/16”,1/4”,5/16”,3/8”,7/16”,1/2”); 1/4” to 3/4” nine step bit(1/4”,5/16”,3/8”,7/16”,1/2”,9/16”,5/8”,11/16”,3/4”); 1/8” to 1/2” thirteen step bit (1/8”,5/32”,3/16”,7/32”,1/4”,9/32”,5/16”,11/32”,3/8”,13/32”,7/16”,15/32”,1/2”)