ring bit drilling system online manufacture

Product name: 273mm MRING tunneling casing drilling ring bit for 8 inch DTH hammer Product category: Concentric casing drilling system Matched hammer: Hammer DHD380 Matched casing pipe OD: 273mm MRING tunneling ... Read More

Product name: Water well drilling 219mm new design 3 middle wings symmetric casing drilling bit Product category: Overburden symmetric drilling tools Matched hammer: Hammer DHD360 Matched casing pipe OD: 219mm ... Read More

Product name: 530mm MRING Overburden Casing Drilling System Hole Opener Bits For Stone Drilling Product category: Overburden casing drilling tools Kingdrilling diamond CO., LTD is one of the most professional ... 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

RING wing bit casing drilling system by DTH hammer Product details: Rock drilling tools factory KINGDRILLING professionally produce Ring wing bit concentric drilling systems by down the hole hammer which are ... Read More

Product Name: 735mm MRING660 Overburden Symmetric Casing Drilling System Bit For Well Drilling External Dia.(mm): 735mm Product details: Rock drilling tools factory KINGDRILLING professionally produce Ring wing ... Read More

Product name: 114mm MRING Overburden Symmetric Casing Drilling System Bit For Civil Engineering Product category: Overburden Symmetric Casing Drilling System Bit MRING symmetric casing drilling tools Advantages ... Read More

Product name: 11 Degree diameter 41mm Tapered Rock drill tools for tunneling Product category: DTH taper drill bit Matched connection: 11 degree taper Diameter: 41mm KINGDRILLING DTH taper drill bit description... Read More

Product name: New design108mm concentric 3 wings casing drilling bit for CIR90 Product category: Overburden casing drilling tools Matched hammer: Hammer CIR90 Matched casing pipe OD: 108mm New design concentric ... Read More

Product name: 127MM single use concentric caisng drilling system in loose soil Product category: Concentric casing drilling bit Matched hammer: Hammer DHD340 Matched casing pipe OD: 129mm MRING casing drilling ... Read More