ring bit drilling system online manufacture

Product Name: 215mm MRE165 DHD360 Hammer Shank Symmetric Concentric Casing Drilling System For Rock Formation Matched hammer: Hammer DHD360 Matched casing pipe OD: 165mm MRE Concentric under reaming drilling ... Read More

Product Name: 238mm MRE190 DHD360 Hammer Shank Symmetric Concentric Casing Drilling System For Coal Mining Matched hammer: Hammer DHD360 Matched casing pipe OD: 190mm MRE Concentric under reaming drilling ... Read More

Product Name: 276mm MRE215 Symmetric Concentric Casing Drilling System With DHD380 Hammer Shank For Exploration Matched hammer: Hammer DHD380 Matched casing pipe OD: 215mm MRE Concentric under reaming drilling ... Read More

Product Name: 293mm MRE235 Symmetric Concentric Casing Drilling System With DHD380 Hammer Shank For Oil Drill Matched hammer: Hammer DHD380 Matched casing pipe OD: 235mm MRE Concentric under reaming drilling ... Read More

Product Name: Casing tube Outer Diameter 127mm MRE127 CIR110 Hammer Shank Concentric Casing Drilling System For Soft Rock Formation Matched hammer: Hammer CIR110 Matched casing pipe OD: 127mm MRE Concentric ... Read More

Product name: High performance 133mm symmetric 3 reamers casing drilling system for soft and hard rock formation Product category: High performance 133mm symmetric casing drilling tools Matched hammer: Hammer ... Read More

Product name: 130mm Overburden Symmetric Casing Drilling System With 3 Reamers For Soft And Hard Rock Formation Product category: symmetric casing drilling tools Matched hammer: Hammer CIR110 Reaming Diameter... Read More

Product Name: 155mm MRE115 Overburden Concentric Casing Drilling System With DHD340 Hammer Shank For Well Drilling Matched hammer: Hammer DHD340 Matched casing pipe OD: 115mm MRE Concentric under reaming ... 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: 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