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multiply cone pilot hole opener bits, machine spare part ,drilling for groundwater,oil and gasUS$ 500 - 30,000MOQ: 1 PiecePlace of Origin: Hebei, ChinaBrand Name: SRF JZ SMITH CS HA HJModel Number: cover all IADC CODE,of all sizes5-17 1/2"Type: Drill BitHejian Zhongcheng Drill Bit Manufacture Co., Ltd. -
CP18 surface cutting tungsten carbide rock rotary claw ground pilot drill bitUS$ 2 - 25MOQ: 1000 PiecesPlace of Origin: Zhejiang, ChinaBrand Name: Sunrise NingboModel Number: CP18Sunrise (Ningbo) Precision Metal Parts Inc. -
China API 14'' Hole Opener,Assembly Bits,Pilot Bit, machine spare part ,drilling for groundwater,oil and gasUS$ 500 - 30,000MOQ: 1 PiecePlace of Origin: Hebei, ChinaBrand Name: SRF JZ SMITH CS HA HJModel Number: cover all IADC CODE,of all sizes5-17 1/2"Type: Drill BitHejian Zhongcheng Drill Bit Manufacture Co., Ltd.
