down the hole drill bits 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: 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: 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: Low air pressure down the hole hammer CIR170 for water borehole drilling Matched hammer: water borehole drilling tools Connection thread: F100*28 PIN Working pressure(bar):8-14 Hole range(mm): 170... Read More

Product name: 3inch High Air Pressure DTH Hammer With DHD3.5 Shank For Coal Mining Drilling Product category: Drilling rig accessories Matched hammer: Hammer DHD3.5 Connection thread: API 2 3/8 REG Working ... Read More

SD shank connection 6 inch High air pressure DTH Hammers for drilling rigs Processing: Forging Pressure: High air pressure Shank: SD shank Trademark: MING Color: Green, Blue, Red, Gold, Black, Custom Colors. ... Read More

Product name: Diameter 180mm low air pressure DTH button bit CIR150 shank for engineering Product category: DTH drill tools Matched hammer: Hammer CIR150 Diameter: 180mm KINGDRILLING DTH button bit description: ... Read More

Product name: 5inch high air pressure DTH hammer with QL50 shank for foundation Product category: Drilling rig accessories Matched hammer: Hammer QL50 Connection thread: API2-3/8"REG/API2-7/8"IF/API3-1/2"REG ... Read More

Product name: 5inch high air pressure DTH hammer with MISSION50 shank for water well drilling Matched hammer: Hammer MISSION50 Connection thread: API2-3/8"REG/API2-7/8"IF/API3-1/2"REG Working pressure(bar): 13... Read More

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