16?30mm 5?20 Mm3?14mm HSS Taper Umbrella Drill Bit Step Drill Set Cone Chamfer Cutter

About this item

• Description: 3pcs HSS Taper Umbrella Drill Bit Chamfer Cutter Drill 1630mm ,520mm ,314mm Color:Silver Tone;Shank Size : 6mm; 8mm;10mm Material: Highspeed steel Type: 1630mm,10mm Handle 520mm,8mm Handle 314mm,6mm Handle Features: These bits are made from high speed steel of high hardness and good wear resistance. No need to use center punch, it is not easy to break compared with ordinary twisted drill. Widely used for perforating various materials, such as stainless steel tapping steel, wood, thin iron, aluminum alloy, moistureproof board, PVC board, etc. Clears chips faster and allows particles to escape easily. This drill has high wear resistance, high toughness and flexibility. Package Included: 1 Set Drill bits (3pcs) .These bits are made from high speed steel of high hardness and good wear resistance. No need to use center punch, it is not easy to break compared with ordinary twisted drill. Widely used for perforating various materials, such as stainless steel tapping steel, wood, thin iron, aluminum alloy, moistureproof board, PVC board, etc. Clears chips faster and allows particles to escape easily. This drill has high wear resistance, high toughness and flexibility.