Tapered Drill Bit

Specifications of 6 inch DTH drill bit 6 inch High Air Pressure DTH Bits DHD360 (COP64) THE Drill Head Diameter(mm) NO.Air Holes Gauge Buttons Front Buttons Weight(KG) 152 2 8XØ18 7XØ16 22 165…

Specifications of 3 inch DTH drill bit 3 inch High Air Pressure DTH Bits BR3 THE Drill Head Diameter(mm) Spline Key Number NO.Air Holes Gauge Buttons Front Buttons Weight(KG) 85 6 2 6XØ13…

Specifications of QL series dth hammer Hammer inch Diameter of drill bit Shank Metric Inch 4" 105mm-152mm 4 1/8"-6" QL40 5" 133mm-165mm 5 1/4"-6 1/2" QL50 6" 152mm-254mm 4 1/8"-10" QL60 8" 203mm-330mm…

Specifications Grade ISO Grain size Cobalt content(%) Hardness Density T.R.S Applications Recommended (um) (HRA) (g/cm³) (N/m㎡) GD16 K20 1.6 8 90 14.7 ≥3500 Silicon steel sheet, Upper die GD22 K30 1.6 11 88.5…

Specifications Grade Density T.R.S Hardness Application recommended (g/cm3) ( MPa) (HRA) YG6 14.95 ≥1900 ≥90.5 For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits and scraping knife bits, used…

Extension rod & MF rod R32,R38,T38,T45,T51,GT60 thread extension rod &MF rod . (1) Threaded connection:R22,R25,R32,R38,T38,T45,T51 and so on . (2) Diameter:OD32mm,OD38mm,Hex32,Hex35mm and so on . (3)Length:600-6400mm. (4)Package:Wooden case or wrapped with palstic knitting…

Specifications Standard API OD 42-127mm WT 20-500kg Length 1m-9.5m Outside Coating Black painting, anti-corrosion oil, or as per required by customers Packing Wrapped in bundles by steel strips/bulk/Steel Pallet,or as request Delivery By…

Specifications of Concentric overburden drill system Casing Tube OD Ring Bit OD Min. Casing Shoe ID Pilot Bit Diameter Hammer Shank Style mm inch mm inch mm inch mm inch 108~127 4 1/4…

Specifications of ODEX eccentric center drill system ODEX Type Recommended Casing Size Min. Wall Thickness Pilot Bit Diameter Reamer Diameter For Shanks of Hammer Max. OD Min. ID mm inch mm inch mm…

parameter Diameter Button Number Taper degree Length Weight Package mm (pieces) (°) (mm) (kg) box 28 4 7°/11°/12° 65-69 0.2 50pcs/box 30 4~6 7°/11°/12° 65-69 0.20~0.30 50pcs/box 32 4~7 7°/11°/12° 65-69 0.20~0.30 50pcs/box…

parameter Thread Type Dia Tip size(mm) Flushing holes Weight (kg) mm gauge front side front R22 R25 R28 SR28 41 5*9 2*8 2 1 0.6 42 5*9 2*8 2 1 0.6 43 5*9…

Specifications of low air pressure DTH hammer Hammers Connection Thread Size of drill bit Working pressure Air consumption CIR65 F42x10 PIN 70mm 4-10bar 6-10m3/min CIR70 F48x10 PIN 760mm 4-10bar 6-10m3/min CIR90A F48x10 PIN…

Specifications of 10 inch DTH drill bit 10 inch High Air Pressure DTH Bits SD10 THE Drill Head Diameter(mm) NO.Air Holes Gauge Buttons Front Buttons Weight(KG) 254 2 12XØ18 21XØ16 108 305 4…

Our High air pressure DTH drill bits Bits diameter Shank Metric Inch 1" 64mm-70mm 2 1/2"-2 3/4" BR1 2" 70mm-95mm 2 3/4"-3 3/4" MACH20/BR2 3" 90mm-102mm 3 1/2"-4" COP32/COP34/MACH303 M30/DHD3.5/BR3 4" 105mm-152mm 4…

How to Chose the Right Products When you are choosing the right bit for optimum performance you have to balance penetration against bit life. There are three head designs for drill bit: Flat Face, Convex…

Its main features are: 1. Strong impact, low energy consumption of crushed stone; 2. The weight ratio of the piston to the drill bit is close to 1:1, which provides a longer effective…