HDD Rock Reamer--20” 5 pieces 9 7/8”cone cutter 637 / 537 NC31
USD $2000 - $3000 /Piece
Min.Order:1 Piece
Cangzhou Great Drill Bits Co.,ltd
1: Patent Customized Roller bits ;
2: Force-Balance Design ;
3: Robot welding enhance wear resistance ;
4: Full gauge protection ;
5: Proprietary high load carrying grease ;