water well air rock down the hole dth drilling bits and hammer for drilling
USD $200 - $1,200 /Piece
Min.Order:1 Piece
Dongying Kangyu Petroleum Engineering Technology Service Co., Ltd.
High air pressure DTH hammer size from 3" to 12"(76mm-304mm)
Shank types including COP, QL,DHD, MISSION,HD,IR, SD,TD,CIR,BR
Connect Thread : API 2 3/8" , API 3 1/2 , Reg-6 5/8"Reg
1. Fast drilling speed and low air consumption due to the special inner structure.
2. Smooth performance and long service due to high quality alloy steel materials and advanced processing technology adapted.
3. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner structure of hammer.
4. Easy to depart bit from hammer due to multi—head thread connecting chuck and cylinder of hammer.
5. Interchangeable with DTH bit and drill pipe
DTH hammer type | IR3.5 | LD35 | LD45 | LD55 | LD65 | LD75 | LD85 |
Length(less bit) | 888mm | 930mm | 1011mm | 1110mm | 1248mm | 1258mm | 1359mm |
Weight(less bit) | 25.00kg | 25.00kg | 43.20kg | 69.00kg | 98.00kg | 120.00kg | 170.00kg |
External diameter | Φ82mm | Φ82mm | Φ99m | Φ125m | Φ142m | Φ165m | Φ180m |
Bit shank | IR3.5” | IR3.5” | COP44 | COP54 | COP64 | COP64 | COP84 |
COP34 | DHD340A | DHD350R | DHD360 | DHD360 | DHD380 | ||
Hole range(mm) | Φ90-115 | Φ90-115 | Φ110-135 | Φ135-155 | Φ155-203 | Φ175-216 | Φ195-254 |
Connection thread | API 2 3/8” Reg. | API 2 3/8” Reg. | API 2 3/8” Reg. | API 2 3/8” Reg. API 3 1/2” Reg. | API 31/2” Reg. | API 31/2” Reg. | API 31/2” Reg. |
Working pressure | 1-1.5Mpa | 1-1.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.3-2.5Mpa | 1.8-3.0Mpa | 1.8-3.0Mpa |
Impact rate at 17 Bar | 25Hz | 25Hz | 30Hz | 28Hz | 25Hz | 23Hz | 22Hz |
Recommended Rotation speed | 25-40r/min | 25-40r/min | 22-35r/min | 20-35r/min | 20-30r/min | 20-30r/min | 15-25r/min |
Air consumption 1.0Mpa | 3.8m3/min | 3.8m3/min | 6m3/min | 7m3/min | 9m3/min | 11m3/min | 12m3/min |
1. Your inquiry related to our products or prices will be replied in 12 hours.
2. Well-trained and experienced staffs to answer all your inquiries.
3. Protection of your sales area, ideas of design and all your private information
30% deposit by T/T before production, 70% balance should be paid by T/T before shipment. but we also accept L/C.
standard package or according to customers needs
Dongying Kangyu Petroleum Engineering Technology Service Co.,Ltd is located in Donying City, Shandong Province, North China, where is the base of Shengli Oilfield, China's second largest oilfield. After years of development, Kangyu has become a professional company in oilfield engineering services and oilwell equipment supplying.
Our strength:
1. The professional technical service provider in drill rig equipment maintenance, top drive maintenance, directional drilling, workover services and sand-flushing operations.
2. A professional oilwell equipment supplier. Our main products include oil drilling and production equipment and accessories, drilling tools, oil tubular goods, electro-mechnical equipment , etc.
3. Dedicated to helping customers to reduce the production risk, improve equipment efficiency and procurement efficiencuy.
4. Has a number of professional technical services team and procurement team, with strong service strength and comprehensive procurement capacity.
At present, Kangyu has set up project department and office agency in many countries. Technical service and business is throughout the Middle East, Central Asia, Asian Pacific, Africa, America and so on.
Contact Person: Eve Yue
Tel: 0086-546-7766986-8006
Fax: 0086-546-7766986
Mobile: 0086-13280316878
Whatapp:0086-13280316878
Website: