Company Profile Changsha Tianhe Drilling Tools and Machinery Co., Ltd. ------Established in 2002 ------Professional in drilling tools research, design, production, sales and management ------More than 300 employees include 90 specialized technicians and 50 sales staff ------Possess various patents within drilling industry ------Quality system of ISO9001 ------600,000 square workshop ensures the production lead time ------As a council unit of China Drilling Steel and Drilling Tools Association,drawing up the standard of Chinese drilling steel and drilling tools ------Products with reliable quality and stable performance are widely used iin difference kinds of projects in and abroad,wel accepted by customers Certificates: Exhibition: Product Description: Teamwhole manufactures wide range and most efficient Down-the-Hole (DTH) hammers and bits for the mining blasting,water well especially deep well drilling,foundation construction etc.Our prodcuts trust by drilling contractor becasue of the advantages Drilling Dia. Range: holes from 65 mm to 1200mm Application Fields: Widely used in open pit and underground mining,Water well drilling.,Deep well,Foundaion,Anchor drilling Outstanding Advantage: DTH hammer (inch) Matched Dth bit Shank Bit range Metric Inch 3.5" COP32/COP34/MACH303M30/DHD3.5/BR33 90mm-115mm 3 1/2"-4" 4" COP44/DHD340/MACH44SD4/M40/QL40 105mm-152mm 4 1/8"-6" 5" COP54/DHD350R/MACH50SD5/M50/QL50/BR5 133mm-165mm 5 1/4"-6 1/2" 6" COP64/DHD360/SD6M/60/QL60/Bulroc BR6 152mm-254mm 4 1/8"-10" 8" COP84/DHD380/SD8/QL80/M80 203mm-330mm 8"-13" 10" SD10/NUMA100/TH10 254mm-380mm 10"-15" 12" DHD1120/SD12/NUMA120/NUMA125 305mm-508mm 12"-20" 14" TK14/NUMA125 400mm-550mm 15 3/4"-22" 18" NUMA180/TK18 500mm-700mm 19"-27 1/2"" 24" NUMA240/TK28 600mm-800mm 23"-31 1/2" Temahwole DTH hammer type TSK3.5H/TH35 TSK4KH/TH45 TSK5H/TH55 TSK6H/TH65 Length(less bit) mm 807mm 927 987 1163.5 Weight(less bit) kg 22kg 42 70 90 External diameter mm Φ82mm Φ99 Φ126 Φ146 Bit shank DHD3.5 BR33 COP44 DHD340 QL40 SD4 MISSION40 QLX40 DHD350R COP54 QL50 SD5 MISSION50 DHD360 SD6 COP64 QL60 MISSION60 Hole range(mm) Φ90-110 Φ110-135 Φ138-165 Φ152-203 Connection thread API 2 3/8"Reg API 2 3/8"Reg API 2 3/8"Reg API 3 1/2"Reg API 3 31/2"Reg Working pressure 1.0-1.5Mpa 1.0-2.5Mpa 1.0-2.5Mpa 1.0-2.5Mpa Impact rate at 1.5-1.7Mpa 28Hz 27Hz 27Hz 27Hz Recommended Rotation speed 25-40r/min 25-40r/min 25-40r/min 25-40r/min Air consumption 1.0Mpa 4.5m³/min 6.0m³/min 6.0m³/min 6.0m³/min 1.8Mpa 9.0m³/min 10.0m³/min 10.0m³/min 10.0m³/min 2.4Mpa 15.0m³/min 15.0m³/min 15.0m³/min 15.0m³/min Teanwhole DTH hammer type TSK8H TH85 TH10S TH12S TH12N TH12HN A10-TD90 Length(less bit) mm 1364.5 1432 1937 1432 Weight(less bit) kg 185 294 791 294 External diameter mm Φ182 Φ222 Φ274 Φ220 Bit shank DHD380 SD8 QL60 MISION80 SD10 NUMA100 NUMA120 NUMA125 SD12 TD90 Hole range(mm) Φ203-280 Φ135-155 Φ311-445 Φ254-400 Connection thread API 4 1/2"Reg API 5 1/2"Reg API 6 5/8"Reg API 5 1/2"Reg Working pressure 1.0-2.5Mpa 1.0-2.5Mpa 1.0-2.5Mpa 1.0-2.5Mpa Impact rate at 1.5-1.7Mpa 25Hz 25Hz 25Hz 25Hz Recommended Rotation speed 20-35r/min 20-35r/min 20-35r/min 20-35r/min Air consumption 1.0Mpa 9.0m3/min 9.0m3/min 9.0m3/min 9.0m3/min 1.8Mpa 15.0m3/min 15.0m3/min 15.0m3/min 15.0m3/min 2.4Mpa 23.0m3/min 23.0m3/min 23.0m3/min 23.0m3/min DTH hammer type TH14N TH18N TH24N TH28N Length(less bit) mm 2235 2425 2495 2610