China Factory DTH Drill Bit DHD350 for Down The Hole Hammer, Find details about China DTH Bit, Drill Bits from China Factory DTH Drill Bit DHD350 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 |