这使得一个三刃刀的宽度为四槽宽。
This makes a total width of four slots for a single TriBlade.
规格：麻花钻、三刃钻、铰刀、立铣刀。
Specification: twist drill, three-blade drill, reamer, end-milling cutter.
可生产硬质合金麻花钻、阶梯麻花钻、直槽钻、扩孔钻、三刃钻、复合钻；
We are capable of manufacturingcarbide twist drills, step twist drills, straight flute drills, hole dilating drills, threeflute drills, combination drills;
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