China Factory High Quality DTH Drill Bit Mission40 / M40 for Down The Hole Hammer, Find details about China DTH Bit, Drill Bits from China Factory High Quality DTH Drill Bit Mission40 / M40 for Down The Hole Hammer
DTH Hammer inch | DTH drill 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 1/8" - 6" | COP44 / DHD340 / MACH44 SD4 / M40 / QL40 |
5" | 133mm - 165mm | 5 1/4" - 6 1/2" | COP54 / DHD350R / MACH50 SD5 / M50 / QL50/BR5 |
6" | 152mm - 254mm | 4 1/8" - 10" | COP64 / DHD360 / SD6 M60 / QL60 / Bulroc BR6 |
8" | 203mm - 330mm | 8" - 13" | COP84 / DHD380 / SD8 QL80 / M80 |
10" | 254mm - 380mm | 10" - 15" | SD10 NUMA100 |
12" | 305mm - 508mm | 12" - 20" | DHD1120 / SD12 NUMA120 / NUMA125 |
DTH Hammers | Bit Shank | Connection Thread | Suitable bit | Working pressure | Air consumption | |
1-3" Middle-low pressure DTH hammers | BR1 BR2 BR3 | RD40 box RD50 box API 2 3/8" Reg | ¢64-¢76mm ¢70-¢90mm ¢90-¢110mm | 0.7-1.75Mpa 0.7-1.75Mpa 0.7-1.75Mpa | 0.7Mpa | 4.5m3/min |
1.0Mpa | 4m3/min | |||||
1.4Mpa | 5m3/min | |||||
3" hammers | DHD3.5 COP32/COP34 M30 | API 2 3/8"Reg | ¢90-¢110mm | 1.0-1.5Mpa | 1.0Mpa | 4.5m3/min |
1.5Mpa | 9m3/min | |||||
4" hammers | DHD340 COP44 QL40 SD4 M40 | API 2 3/8"Reg | ¢105-¢130mm | 1.0-2.5Mpa | 1.0Mpa | 6m3/min |
1.8Mpa | 10m3/min | |||||
2.4Mpa | 15m3/min | |||||
5" hammers | DHD350 COP54 QL50 SD5 M50 | API 2 3/8"Reg/API 3 1/2"Reg | ¢130-¢156mm | 1.0-2.5Mpa | 1.0Mpa | 9m3/min |
1.8Mpa | 15m3/min | |||||
2.4Mpa | 23m3/min | |||||
6" hammers | DHD360 COP64 QL60 SD6 M60 | API 3 1/2"Reg | ¢152-¢203mm | 1.0-2.5Mpa | 1.0Mpa | 10m3/min |
1.8Mpa | 20m3/min | |||||
2.4Mpa | 28.5m3/min | |||||
8" hammers | DHD380 COP84 QL80 SD8 | API 4 1/2"Reg | ¢200-¢279mm | 1.0-2.5Mpa | 1.0Mpa | 15m3/min |
1.8Mpa | 26m3/min | |||||
2.4Mpa | 34m3/min | |||||
10" hammers | SD10 NUMA100 | API 6 5/8"Reg | ¢254-¢330mm | 1.0-2.5Mpa | 1.0Mpa | 22m3/min |
1.8Mpa | 40m3/min | |||||
2.4Mpa | 55m3/min | |||||
12" hammers | DHD1120 SD12 NUMA120 NUMA125 | API 6 5/8"Reg | ¢305-¢381mm | 1.0-2.5Mpa | 1.0Mpa | 30m3/min |
1.8Mpa | 56m3/min | |||||
2.4Mpa | 78m3/min |