CIR90 DTH Hammer Drill Bits 0.5-0.7Mpa Low Air Pressure for 65-220mm Hole Diameter
Price:
USD800-3000/set
MOQ:
1 set
Delivery Time:
15-30 days
Product Description
CIR90 DTH Hammer Drill Bits - Low Air Pressure Operation
Professional CIR90 down-the-hole hammer drill bits engineered for low air pressure applications (0.5-0.7Mpa) with exceptional service life and drilling efficiency.
Key Performance Advantages
- Non-Blocking Design: S-series DTH hammers ensure extremely low blocking rates during operation
- High Efficiency: Enhanced impact frequency and torque deliver 10% faster penetration rates
- Extended Service Life: Anti-friction surface treatment and intensification technology support drilling depths exceeding 5000 meters
- Superior Cleaning: High air output design effectively flushes cuttings in deep-hole drilling applications
- Universal Compatibility: Compatible with DHD, QL, and Mission hammer systems
DTH Hammer Specifications
| 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 |
DTH Bit Specifications
| Hammer Inch | Bits Diameter | Shank |
|---|---|---|
| 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 |
Technical Features
- Available for both high and low air pressure applications
- Low air pressure hole diameter range: 65-220mm
- High air pressure hole diameter range: 85-305mm
- Multiple face types: drop center, concave, convex, double gauge, flat
- Broad compatibility with XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Digger systems
Contact Information
Dongying OilMan Machinery Equipment Co.
North Two Road, Dongying City, Shandong Province, China
Mobile/WhatsApp/WeChat: +86 13475294399
Email: christal@oilmancn.com
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Company
Dongying Oilman Machinery Equipment Co.,Ltd.
Location
www.oilmanchina.com
Contact Person
Christal