down the hole drill bits online manufacture

Product name: 219mm MSX slide block under reaming drilling system for drilling rig Product category: Under reaming casing drilling tools Matched hammer: Hammer DHD360 Matched casing pipe OD: 219mm Kingdrilling ... Read More

Product name: 130mm Russian Bayonet Drill Bit Matched Hammer KNSH110 In Mining Product category: DTH drill bit Matched hammer: Hammer PB110-2.8 BAYONET Diameter: 130mm KINGDRILLING DTH button bit description: ... Read More

Product name: Carbide Steel 110mm Bayonet DTH Hammer Drill Bit For Blasting Product category: DTH drill tools Matched hammer: Hammer PB110-2.8 BAYONET Diameter: 110mm KINGDRILLING DTH button bit description: ... Read More

Product name: 115mm 4 Inch COP44 Shank High Air Pressure DTH Hammer Drill Button Bits For Quarrying Product category: DTH drill tools Diameter: 115 mm KINGDRILLING high air pressure DTH button bit description: ... Read More

Product name: 159mm MK5E eccentric casing drilling bit with DHD340 shank for Mining and QuarryProduct category: eccentric casing drilling systemMatched hammer: Hammer DHD340 QL40 MISSION40Matched casing pipe OD... Read More

Product name: 114mm Supporting casing drilling recycle ring bit for tunnelling Product category: Symmetric casing ring bit Matched hammer: Hammer DHD340 Matched casing pipe OD: 114mm 114mm Supporting casing ... Read More

Product name: 185mm Overburden Casing Drilling System Hole Opener Drill Bit For Complex Layer Formation Product category: Overburden concentric casing bit Matched hammer: Hammer DHD340 Reaming Diameter(mm): ... Read More

Product name: 139mm MRING Overburden Casing Drilling System Hole Opener Drill Bit With Shoe For Mining Product category: Overburden Casing Drilling System Bit MRING casing drilling bit components: Pilot bit + ... Read More

Product name: 125mm Mring Overburden Concentric Casing Drilling System Recycle Ring Bit For Rock Well Drilling Product category: Symmetric casing ring bit Matched hammer: Hammer DHD3.5 Matched casing pipe OD: ... Read More

Product name:219mm MRS Wiggle reamer symmetric casing drilling bit in miningOD of casing pipe: 219mmThey are designed for economic cost of drilling in simultaneous casing advancement.The wings are retracted by ... Read More