Min. Order Reference FOB Price
1 Piece US$22,200.00-24,420.00 / Piece
Product Description
MNX660 Overburden Symmetric Concentric Casing Drilling System Bit for Rock Drilling Tools Product Description Kingdrilling Casing drilling system is designed for unstable ground conditions. In the process of drilling, it could carry the casing tube down to the hole and protect wall to achieve ...