Payment & Shipping Terms:
|Hammer Type::||4" 5" Hammer(COP,MISSION,QL,SD,DHD,HD,QDL)||Bit Diameter Range::||105mm~203mm(4"~8")|
|Gauge Button Size:||16mm(Dia<140mm) 18mm（Dia>140mm）||Button Arrange:||38|
|Flushing Holes:||2||Working Pressure:||13~25 Bar|
|Service Life:||About 400 Meters, On Extremely Hard Granite, No Grinding||Color:||Black、blue、red、yellow.......|
down hole hammer drill bits,
hard rock drill bits
Acedrills is in the position to offer a comprehensive range of DTH drill bits with all diameters of the current prevailing manufacturers' hammer shank designs to match various drilling applications. All our DTH drill bits are also CAD designed, CNC manufactured for perfect bits body, and multiple heat-treated to enhance hardness, surface-compressed for fatigue resistance, all thus to extend the product life for maximum wear and performance in the toughest of drilling conditions. Moreover, all these bits are also made from high quality alloy steels and fitted with premium quality tungsten carbide tips for superior penetration rate.
Acedrills commonly has three basic bits head designs: Flat Face, Convex and Concave. These are designed for specific applications for all rock types, hardness's and conditions:
Selecting The Right Bits
Bit service life and penetration rate are the most important criteria in selecting the right bit for a particular application. In most cases, the focus is on productivity, so the bits of fast cuttings removal features are preferable, to ensure the buttons are cutting clean, with the minimum of re-crushing.
DTH bit is the tool cutting rocks, and subject to severe stress from the striking piston as well as from the abrasive cuttings passing the bit at high velocity. When selecting the right bit for optimum performance you have to balance penetration against bit life. On occasion you can successfully sacrifice bit life for penetration, remember the rule of thumb that states that a 10% increase in penetration covers at least a 20% loss in bit life.
3'' DTH hammer: DHD3.5, COP34, COP32, MISSION 30, BR3, MACH303.
4" DTH (down-the-hole) hammer: DHD340/COP44, COP42, QL40, SD40, MISSION 40, XL40, MACH44.
5" DTH (down-the-hole) hammer: DHD350/COP54, COP52, QL50, SD5, MISSION50, XL5.
6" DTH (down-the-hole) hammer: DHD360/COP64, COP62, QL60, SD6, MISSIO60, XL6.
8" DTH (down-the-hole) hammer: DHD380, QL80, SD8, MISSION80
DTH hammer bits:
3" DTH hammer bits (90-105mm), shanks: DHD3.5, COP34, COP32, MISSION 30, BR3, MACH303.
4" DTH hammer bits (105-130mm), shanks: DHD340/COP44, COP42, QL40, SD40, MISSION 40, XL40, MACH44.
5" DTH hammer bits (130-152mm), shanks: DHD350/COP54, COP52, QL50, SD5, MISSION50, XL5.
6" DTH hammer bits (152-171mm), shanks: DHD360/COP64, COP62, QL60, SD6, MISSIO60, XL6.
8" DTH hammer bits (200-305mm), shanks: DHD380, QL80, SD8, MISSION80
DTH rod range:
Drill rods diameter range: 76mm, 89mm, 102mm, 114mm, 127mm
Length: 1000mm, 1500mm, 2000mm, 3000mm, 4500mm, 6000mm, 7620mm, 8100mm, 9140mm, 10670mm
Thread: API IF2 3/8", API REG2 3/8", API IF2 7/8", API REG2 7/8", API IF3 1/2", API REG3 1/2"