anchor bolt bit

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 NowPDC Coal Mine Roof Bolting Drill Bit/PDC Roof Anchor BitPDC anchor shank drill bits are mainly used to drill the roof and side supporting hole, the gas drainage, water infusion, geological exploration hole and grouting hole and so on for the coal mine seam, water conservancy and hydro-power, dam and roadway construction of bolt-mesh support.Read More
Contact NowNon-coring Gear Pillar PDC Drill Bit for Hard Rock,Pillar PDC Drill Bit SupplierZuanlong PDC Pillar Drill Bit has been wildly used to coring-drilling for geological exploratory of coal measure stratum. The normal type is suitable for the f<=10, the reinforced type is suitable for f<=16. Note: Customization are availableRead More
Contact NowFactory Coal Bits Tungsten Carbide Teeth Miner Cutting Drill Bit Carbide Rock And Auger Drilling Teeth1). 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
Contact NowLong Service Life/High Wear Resistance/High Impact Resistance PDC Anchor Shank Drill Bit1. 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 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 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 NowRock Drill Bits/Rock Bit Drilling Rock Bit From ISO Mining CompaniesZLONG Company professionally produces PDC drill bits,diamond drill bit,drill pipes and also R&D new products as per customers'request.All the products under control of ISO9001:2000 quality system and passed the inspection of Beijing Rock-drilling Machine Inspect Center and some of them obtained National patent.After several years' develop,ZLONG products have been widely used in cola mine field,petroleum field,and geological exploration field.We sincerely welcome our friend both home and abroad to come for business talks.Read More
Contact NowHigh Quality Non- Coring PDC Diamond Tip Drill Bit/NQ BQ Impregnated Diamond Non Core Bit For Water Well DrillingDifference between three wings and four wings concave drill bits: The three wings normal type concave drill bits suits for f<=8, the reinforced type suites for f<=12 The four wings normal type concave drill bits suits for f<=10, the reinforced type suites for f<=15Read More
Contact NowPDC Hole Opener Drill Bit With Extremely Fast Penetration Rates And Very Long Working Life1). 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