Tapered & thread conection drill bit and rod,pipe DTH harmmer and DTH bits,bits size from 20-430mm. Tapered chisel bit: Chisel bit taper angle/degree:4°, 6°,7°,11°, 12° Socket inside diameter:6°,7°,11°, 12° 15 19 22 25(mm) Diameter=20--57mm Tapered cross bit: Cross bit taper angle:Socket inside diameter:19 22 25(mm) Diameter=22--57mm Tapered button bit: Button bit taper angle/degree:4.46, 6, 7, 11, 12 . Socket inside diameter:19 22 25(mm). Diameter=22--57mm Tapered rod: Taper rod,Hex=22*108mm,6°,7°,11°, 12° Integral rod,Hex=22*108mm,bits diameter request. DTH Bits Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc. Five basic designs are avaliable: Convex, Flat front, Drop Center Bit, Concave, and Double Gauge Face. These are designed for specific applications for all rock types, hardness's and conditions. High air pressure DTH Bits DTH Drill Bit Bit Dia.(mm) Gauge Buttons Front Buttons Weight (Kg) HD35 (IR35,Cop34) 85 6×Φ13 4×Φ12 4.2 90 6×Φ14 4×Φ12 4.5 95 6×Φ14 4×Φ13 4.8 100 8×Φ12 6×Φ12 5.0 105 8×Φ13 6×Φ12 5.5 HD45 (DHD340A ,Cop44) 105 6×Φ14 5×Φ13 8.5 110 7×Φ14 6×Φ13 8.8 115 8×Φ14 7×Φ13 9.0 120 8×Φ14 8×Φ13 9.8 127 9×Φ14 9×Φ14 11.0 HD55 (DHD350R ,Cop54) 133 7×Φ16 6×Φ14 16 140 8×Φ16 7×Φ14 16.5 146 8×Φ14 8×Φ14 17 152 8×Φ14 7×Φ16 17.5 165 8×Φ14 8×Φ16 18.5 HD65 (DHD360 ,Cop64) 152 8×Φ16 8×Φ16 22.0 165 8×Φ18 8×Φ16 24.0 178 8×Φ18 8×Φ16 26.0 190 9×Φ18 9×Φ16 28.0 203 10×Φ18 10×Φ16 29.5 HD85 (DHD380 ,Cop84) 195 9×Φ18 9×Φ18 34.0 203 10×Φ18 10×Φ18 36.0 216 12×Φ18 12×Φ18 45.0 254 12×Φ18 20×Φ18 58.0 305 12×Φ18 30×Φ18 75.0 DTH Harmmer Features: 1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption 2. Smooth performance and long service life 3. Low problem rate and easy to maintenance 4. Easy to depart bit from hammer 5. Interchangeable with dth bit and drill pipe.