Thread drill bits, Thread drill bits direct from Zhuzhou ...
Thread drill bits from Zhuzhou Jinxin Cemented Carbide Co., Ltd.. ... H22x108 Rock Drilling Taper Button Bit with Taper 7 degree 11 degree and 12 degree for Blasting Hole Drilling. Ready to Ship. 55.85 - 58.82 Piece. 10 Pieces ... Hot Popular 127mm 76mm Customized Carbide Thread Drill Button Bits Machines. Ready to Ship. 55.85 - 58.82 ...
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