BB Tap Drill Bit Combination TiN HSS Carbide ISO H2 Metric Machine Hand Thread Drilling Tool Hex Square Shank Set for Metal Wood Color:Hex-6PCS 采用先进的超细晶粒硬质合金材料制成，具备出色的耐磨性与卓越的强度，专为高硬度材料的高速切削应用而设计。

采用先进的超细晶粒硬质合金材料制成，具备出色的耐磨性与卓越的强度，专为高硬度材料的高速切削应用而设计。

5 D20 75  150  3T 20R0

BB Insert VCMT/VBMT

and in severe cases

BB Tap Drill Bit Combination TiN HSS Carbide ISO H2 Metric Machine Hand Thread Drilling Tool Hex Square Shank Set for Metal Wood Color:Hex-6PCS 采用先进的超细晶粒硬质合金材料制成，具备出色的耐磨性与卓越的强度，专为高硬度材料的高速切削应用而设计。BB Tap drill10pcs HSS43 For soft materials, non metallic processing, blue coating increases the wear resistance HSS65 For steel, copper, aluminum and other metals, hardness less than HRC20 Carbide High Hardness Suitable for stabilizing equipment, tapping machines, CNC, etc No Manual, No hand use One Tap Does the Job of Three Efficient and Cost Saving with drilling and tapping integrated for higher efficiency Combined Tap DrillDrilling and tapping in