Hammer inch | 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 |
To know 12-30 inch bits information, contact us now |
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 |
Φ64-Φ76mm
Φ70-Φ90mm Φ90-Φ110mm |
0.7-1.75Mpa | 0.7 Mpa | 4.5 m3/min |
1.0 Mpa | 4 m3/min | |||||
1.4 Mpa | 5 m3/min | |||||
3" hammers |
DHD3.5
COP32/COP34 M30 |
API 2 3/8"Reg | Φ90-Φ110mm | 1.0-1.5Mpa | 1.0 Mpa | 4.5 m3/min |
1.5 Mpa | 9 m3/min | |||||
4" hammers |
DHD340
COP44 QL40 SD4 M40 |
API 2 3/8"Reg | Φ105-Φ130mm | 1.0-2.5Mpa | 1.0 Mpa | 6 m3/min |
1.8 Mpa | 10 m3/min | |||||
2.4 Mpa | 15 m3/min | |||||
5" hammers |
DHD350
COP54 QL50 SD5 M50 |
API 2 3/8"Reg
API 3 1/2"Reg |
Φ130-Φ156mm | 1.0-2.5Mpa | 1.0 Mpa | 9 m3/min |
1.8 Mpa | 15 m3/min | |||||
2.4 Mpa | 23 m3/min | |||||
6" hammers |
DHD360
COP64 QL60 SD6 M60 |
API 3 1/2"Reg | Φ152-Φ203mm | 1.0-2.5Mpa | 1.0 Mpa | 10 m3/min |
1.8 Mpa | 20 m3/min | |||||
2.4 Mpa | 28.5 m3/min | |||||
8" hammers |
DHD380
COP84 QL80 SD8 M80 |
API 4 1/2"Reg | Φ200-Φ279mm | 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 | Φ254-Φ330mm | 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 | Φ305-Φ381mm | 1.0-2.5Mpa | 1.0Mpa | 30m3/min |
1.8Mpa | 56m3/min | |||||
2.4Mpa | 78m3/min |