Durable HSS Drill Bit 3/16in Cobalt Step Down Drill Bit For Plastic
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6Pcs Hss Titanium Step Drill Bit Set Step Cone Drill Bits For Plastic 1. One drill with multiple uses to meet different tasks. Stepped structure, with multiple drill bits of different specifications for one head 2. Fast cutting, smooth chip removal. Double......
Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd.
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