coal drill bit online manufacture

Product name: 76mm 3000mm Length API Drill Rod 3-3/8 API REG Thread DTH Drill Pipe For Oil Drilling Product category: Drilling PIPE Threaded Connection: API 3-3/8 API REG Length: 3000mm KINGDRILLING DRILL PIPE ... Read More

Product name: 6000mm Length 89mm API Drill Rod 3-3/8 API REG Thread DTH Drill Pipe For Construction Product category: Drilling PIPE Threaded Connection: API 3-3/8 API REG Length: 6000mm KINGDRILLING DRILL PIPE ... Read More

Product name: T45 Thread 3660mm Length Male-Male Connection Extension Rod For Engineering Geology Drilling Product category: Drilling rod Threaded Connection: T45 Length: 3660mm Alloy steel with great strength ... Read More

Product name: T51 Thread 4270mm Length Diamond MM Extension Rod For Horizontal Drilling Rig Product category: Drilling rod Threaded Connection: T51 Length: 4270mm KINGDRILLING thread drill rods are produced ... Read More

Product name: T51 Thread 4880mm Length Diamond MM Extension Rod For Impact Drill Machine Product category: Drilling rod Threaded Connection: T51 Length: 4880mm KINGDRILLING thread drill rods are composed of ... Read More

Product name: T51 Thread 6095mm Length Diamond MM Extension Rod For Water Well Drilling Product category: Drilling rod Threaded Connection: T51 Length: 6095mm KINGDRILLING Alloy steel with high strength is used ... Read More

Product name: Extention T38 Thread Drill Rod Male-Male connection Product category: Drilling rod Threaded Connection: R22, R25, R32, R38, T38, T45, T51 Length: 1220mm KINGDRILLING thread drill rods are made of ... Read More

Product Name: P110 Russian Bayonet Spline Down The Hole Dth Drill Hammer For Coal Mining Factory Wholesale Russian Bayonet spline DTH Hammer 110P for Mining KINGDRILLING Diamond CO., LTD is one of the most ... 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: 478mm MRS410 N125 Shank Concentric Casing Drilling System Bit For Coal Mining Equipment OD of casing pipe: 410mm Operating this advanced equipment is a breeze, thanks to its user-friendly design. ... Read More