Dth Hammers

Model specification: DHD3.5, DHD340,DHD350,DHD360,DHD380,DHD112, (7) Specification of dth hammer button bits:Diameter: (mm)1-2 inch low air pressure DTH Shank: BR1, BR2, DHD2.5 57/64/70/76/80/82/90mm (8) 3 inch high Air pressure DHT Shank: BR3,DHD3.5,COP34,COP32,QL30,M30,IR3.5 85 / 90 / 95 / 100 / 105/110mm (9) 4 inch high Air pressure DHT Shank:DHD340,COP44,M40,SD4,QL40 105 / 110 / 115 / 120 / 127/130mm (10) 5 inch high Air pressure DHT Shank:DHD350,COP54,M50,SD5,QL50 133 / 140 / 146 / 152 / 165mm (11) 6 inch high Air pressure DHT Shank:DHD360,M60,SD6,QL60,COP64 152 / 165 / 178 / 190 / 203mm (12) 8 inch high Air pressure DHT Shank:DHD380,COP84,M80,SD8,QL80 195 / 203 / 216 / 254 / 305mm (13) 10 inch high Air pressure DTH Shank:SD10, NUMA100 254/270/279/295/305mm (14) 12 inch high Air pressure DTH Shank:SD12,DHD1120,NUMA120,NUMA125 305/330/343/356/368/381mm (15) 15 inch high Air pressure DTH bits Shank: DHD1150, SD15,NUMA125 381/391/435/457/483/503mm (16) Over 20 inch high Air Pressure DTH bits Shank: NUMA180,NUMA240,483/508/560/578/610/660mm Top sub connection: API 2 3/8" Reg Chuck connection configuration: IR3.5 Available bit size/mm: 90-115 Length(without bit)/mm: 888 Outside diameter/mm: 82 Net weight(without bit)/kg: 25 Impact rate : At 1.5Mpa,25HZ Recommended rotation speed: 25-40r/min Air consumption, CFM& (M3/min) Work Pressure 1MPa 3.8m3/min 1.5MPa 7.5m3/min 1.8MPa 2.4MPa.

Our company is a professional supplier of rock drilling tools in china. Especially dth hammers bits and overburden systems.We also supply drill rods, Button bits, shank adaptors, coupling sleeves and other related products. Our products are welcome in australia, south africa, america, europe. Our products can be used in mining, tunneling, quarrying, construction etc. According to your requirements

Indy series hammers are valveless hammers eliminating operational problems and improves reliability. It has an optimized air cycle frequency, high-energy impact giving maximum penetration rates Wooden pallet, wooden box for sea Card board boxes for air

DTH Hammers

DTH Hammers

DTH Hammers

Changhong Drill manufactures high, medium and low air-pressure DTH hammers and drill bits, concentric and eccentric drilling system, tunnel TBM cutter, various threaded drill bits and shank adapter, coupling sleeve, drill pipe and rock drilling accessories. All of our products are compatible with world famous brand products such as Atlas, Ingersoll Rand, Sandvik. They are widely used in construction sites of mining drilling, ground excavating, tunnel drivage, transportation, irrigation works and hydropower, water well, foundation treatment, exploration, applicable for rock drilling and cutting tools under various geological conditions.

We are one professional manufacturer of rock drilling tools and consumables in china. Our main products include dth hammer, dth bit, button bit, drill rod, shank adaptor, coupling sleeve, overburden drilling equipment, which are used for mining, quarrying, tunneling, water well drilling, mineral exploration, civil engineering and construction. Please feel free to contact me if you are interested in our products. Many thanks.

1.Diameter: 105mm(4 1/8 inch) 2.Part No.105MM40FF 3.No.Buttons: Outer:7*14 Front:6*13 4. Flushing holes: 2 5. Weight: 7.7kg Applications: 1.Suitable for high pressure drilling rigs 2.Water well drilling 3.Record breaking penetration 4.Exploring Civil Engineering Applications 5.Lowest cost per foot drilled 6.Simple & robust design 7.Exploring Civil Engineering Applications 8.Foot Valve not required in the bit 9.Longer parts life 10.Maximizes efficiency 11.Develops greater power for any compressor capacities