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Product name: T38 Symmetric Casing Drilling Bit For Tunneling N80 with raw materials Product category: Symmetric casing drilling system Matched connection: T38 Matched casing pipe OD: 114mm Overburden Casing ... Read More

Product name: 139mm symmetric casing drilling bit with T45 thread connection for tunneling Product category: Symmetric casing drilling system Matched connection: T45 Matched casing pipe OD: 139mm MING Ring Bit ... Read More

Product name: T38 Symmetric Casing Drilling RingBit 114mm S355 Steel materials Tunneling Product category: Symmetric casing drilling system Matched connection: T38 Matched casing pipe OD: 114mm Overburden ... Read More

Product name: 1250mm Mring Overburden Symmetric Casing Drilling System With Ring Bit For Mining Product category: Overburden casing drilling system Permanent casing drilling ring bit advantage: Permanent ring ... Read More

Product name: OD133mm MRING Overburden Symmetric Casing Drill bit With Ring Bit For Soft Rock formation Product category: Overburden casing drilling system The system consists of a driver bit, a ring, and ... Read More

Product name: 133mm Permanent casing drilling ring bit for mining Product category: Overburden casing drilling system Matched hammer: Hammer DHD340 Matched casing pipe OD: 133mm Permanent casing drilling ring ... Read More

Product name: 478mm MNX410 Concentric Symmetric Casing Drilling System Bits For Rock Drilling Tools Product category: Concentric Casing Drilling Bit Matched hammer: Hammer N125 Matched casing pipe OD: 410mm MNX ... Read More

Product name: 530mm MNX460 Concentric Symmetric Casing Drilling System Bits For Borehole Drilling Machine Product category: Concentric Casing Drilling Bit Matched hammer: Hammer SD18 Matched casing pipe OD: ... Read More

Product name: 635mm MNX560 Concentric Symmetric Casing Drilling System Bits For Diamond Drilling Tools Product category: Concentric Casing Drilling Bit Matched hammer: Hammer N180 Matched casing pipe OD: 560mm ... Read More

Product name: 695mm MNX610 Concentric Symmetric Casing Drilling System Bits For Coal Mining Equipment Product category: Concentric Casing Drilling Bit Matched hammer: Hammer N240 Matched casing pipe OD: 610mm ... Read More