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CIR90 CIR110 CIR130 CIR150 CIR17 Low Air Pressure Big Hole DTH Hammer Drill Bits
Product Description
DTH bits are made of tungsten carbide and steel. Our DTH hammer bit adopts superior material to manufacture, they can be suitable for kinds of rocks and widely used in ore mining and water well drilling to mine hard rocks.
Specification
Product name | Low air pressure dth hammer bits |
Material | 23CRNI3MO and carbide tips buttons |
Process | Forging |
Usage | Hole drilling |
Application | Water well drilling |
Size | 6" |
Weight | 9.5kg |
Suit hammer | CIR110 and CIR130 |
Package | Wooden box packag |
Specification: | Weight (kg) | External Diameter (mm) | Connection thread | Hole rang (mm) | Impact rate | Recommended rotation speed |
Low air pressure DTH hammer CIR type | 5 ~22 | 50~180 | CIR** | 55~200 | 820 rpm | |
Middle air pressure BR & COP type | 10~30 | 70~110 | 85~115 | |||
3 inch DTH hammer COP34/QL30 etc | 24.5 | 81 | API 2 3/8” Reg | 90~110 | 28Hz (at 17 bar) | 28 r/min |
4 inch DTH hammer COP44/DHD340 etc | 39.2 | 99 | API 2 3/8” Reg | 110~150 | 27Hz (at 17 bar) | 25~40 r/min |
5 inch DTH hammer COP54/Mission50 etc | 71.5 | 125 | API 2 3/8” or API 3 1/2” Reg | 135~165 | 25Hz (at 17 bar) | 20~30 r/min |
6 inch DTH hammer COP64/QL60 etc | 98 | 142 | API 3 1/2” Reg | 152~216 | 23Hz (at 17 bar) | 15~25 r/min |
8 inch DTH hammer COP84/SD8 etc | 188 | 180 | API 4 1/2” Reg | 203~305 | 20Hz (at 17 bar) | 15~20 r/min |
Factory Details:
Q:Can I get some samples?
A:Yes,sample orders are welcomed.
Q:Have thread button bit assembled well in stock?
A:No,all thread button bit will be newly produced according to your orders including samples,but we have some stock for your urgency.
Q:Could I use my own logo or design on goods?
A:Yes,customized logo and design on mass production are available.
Q:Can I choose the colors?
A:Yes,customized color is available.
Q:What is the delivery time?
A:A week for sample,15-30days for mass production.
Q:What is the payment term?
A:T/T,L/C at sight,Western Union,Paypal etc.
Q:Can I trust you?
A:Absolutely sure.We are famous company in china and "alibaba" verfied supplier.
Q:May I visit your factory?
A:Sure,welcome any time.We can also pick you up at airport and station.