DTH Hammer bits, DTH Hammer, DTH bits, ODEX Casing, Symmetrix Casing, DTH Pipe
DTH Hammer bits, DTH Hammer, DTH bits, ODEX Casing, Symmetrix Casing, DTH Pipe
7). NUMA shank series: NUMA120, NUMA125, NUMA180, NUMA240;
Hammer Size
O.D
(mm)
Effective Length
(mm)
Hole Size
(mm)
Working pressure
(bar)
Air Consumption
(m³/min)
Weight
Approx.
(kg)
API thread Type
Bit
Shank
10bar
18bar
24bar
2.5"
70
806
76-80
6-20
2
4
-
17.5
F42X10X2
2.5N, CWG76N
3.5"
80
863
90-105
8-24
3.8
8
11.5
24.5
2 3/8" Reg Pin
DHD3.5N,M30
4"
99
936
105-130
8-30
4.5
9
14
40.5
2 3/8" Reg Pin
DHD340N,M40
5"
126
1045
133-152
8-30
6.5
12.5
17
74
2 3/8" Reg Pin
3 1/2" Reg Pin
DHD350N,M50,
QL50N
6"
144
1187
152-254
8-30
7.5
16
24
106
3 1/2" Reg Pin
DHD360N,M60,
QL60N
8"
182
1318
194-305
8-30
10
24
33
195
4 1/2" Reg Pin
DHD380N,M80,
QL80N
*Other larger size 15", 18", 24",33" and shank Numa120, Numa125, Numa180, Numa240 etc available, please contact our sales for more information.