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HEJIAN YINHAI ROCK BITS MANUFACTURE CO., LTD.
8 1/2" 4/5 Blades PDC Concave Bits/ Step Bits with PDC Cutters/ PDC Bit for Drilling
8 1/2" 4/5 Blades PDC Concave Bits/ Step Bits with PDC Cutters/ PDC Bit for Drilling
Quantity
Unit Piece(s)
Sample Price US $ 320
Total
Remark:

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