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BB Internal cooling drill
which makes the whole alloy and the drill body fused together
5 D18 45 100 4T 18R1 D18 45 100 4T 18R2 D18 45 100 4T 20R0
Improve Efficiency
投资优质刀具：为何一把高端刀具有如许多。
BB Rotary Broach Hexagon -HSS-PM Cutting Edge Diameter:4.5mm BB Internal cooling drillSelected High Quality Steel Corrosion Resistance and Wear Resistance Improving the overall wear resistance and toughness of cutting tools to extend their service life Punch Out the Inner Hexagon in One Process Broaching tool is a simple cutting tool, which can be split into regular or irregular polygons on blind holes or through holes, sharp edges or chamfering edges, in addition to standard hexagonal and square holes, they can also be used as