non core drill bits for hard rock

Contact NowChina PDC Roof Bolt 25-42mm Coal Mine Drill Bit Manufacturer1. The wings are higher wear resistance and impact toughness. 2. To repeat repair and grind are not necessary. 3. Long life drill. 4. Drilling efficiency could be promoted sharply in penetration of high –medium hard rock formation and labor intensity could be reduced.Read More
Contact NowPDC Anchor Bolt Coal Mining Drill BitsWhat is the Detail of PDC Anchor Bolt Coal Mining Drill Bits? 1) Adopt new superhard materials, cutting bit long service life. 2) Can greatly improved drilling efficiency of in medium hard rock and harder medium. 3) The blade is durable, do not need to grinding, easy to use. 4) It reduces the labor intensity of workers. It’s suitable in 4 to 12 class rock stratum.Read More
Contact NowPDC Non Coring Drill Bit For Geological Exploration / Coal Mining / Water ConservancyThe four wings normal type concave drill bits suits for f<=10, the reinforced type suites for f<=15Read More
Contact NowPDC Rock Hole Reaming Drill Bit Supplied By ISO Manufacturer Form ZuanLong China1). Our prodcut has been approved by ISO9001; 2). Our company has been awarded various certificates and honors by goverment, such as observe contact and keep promise enterprise, reliable quality enterprise, civilized unit, high and new tech enterprises, advanced qualtiy management enterprise,ect. ; 3). Specific researching and developing laboratory; 4). More than 15 years manufacturing experience;Read More
Contact NowPdc Drill Bit Reinforced Composite Sheet PDC Cutter Drag Drill BitFind the high-quality PDC sintered core bit for geology drilling, china sintered coring bit for sale at ZUANLONG. Our company, assisted by advanced technology, is sure to offer you the highly precise products with fine workmanship and good performance at the best price.Read More
Contact NowNatural Diamond Impregnated Core Bit, Geological BQ and NQ Coring Bits China SupplierMatrix Hardness Comparation Between Zuanlong Manufacturer and Other Company 1. The matrix height is 12mm for K series and 16mm for Series 2. K2/S2, K4/S4, K6/S6 are main choice, K3/S3, K5/S5, K7/S7 can adjust hardness 3. K10,S10 choice is for special formationRead More
Contact NowRoundShank Cutter Bits Using For Rotary Piling Machine Drill Rig And Foundation Drilling1). Our prodcut has been approved by ISO9001:2000; 2). Our company has been awarded various certificates and honors by goverment, such as observe contact and keep promise enterprise, reliable quality enterprise, civilized unit, high and new tech enterprises, advanced qualtiy management enterprise,etc. ; 3). Specific researching and developing laboratory; 4). More than 15 years manufacturing experience;Read More