10″ High Air Pressure DTH Bits
DTH Hammers
Roschen's DTH hammers deliver an uncompromised combination of performance, efficiency, and reliability.
| 10″ High Air Pressure DTH Bits | ||||||
| SD10 | THE Drill Head Diameter (mm) | Spline Key Number | NO.Air Holes | Gauge Buttons | Front Buttons | Weight (KG) |
| 254 | – | 2 | 12XØ18 | 21XØ16 | 108 | |
| 305 | – | 4 | 12XØ18 | 36XØ16 | 125 | |
| 311 | – | 4 | 12XØ18 | 36XØ16 | 130 | |
| 318 | – | 4 | 12XØ18 | 38XØ16 | 142 | |
| 330 | – | 4 | 16XØ18 | 42XØ16 | 155 | |
| NUMA100 | 254 | – | 2 | 12XØ18 | 21XØ16 | 90 |
| 305 | – | 4 | 12XØ18 | 36XØ16 | 102 | |
| 311 | – | 4 | 12XØ18 | 36XØ16 | 104 | |
| 318 | – | 4 | 12XØ18 | 38XØ16 | 106 | |
| 330 | – | 4 | 14XØ18 | 42XØ16 | 112 | |
Key Features:
Patented innovation to ensure maximum energy transfer
Simplified design for easier servicing and higher reliability
Valveless, high-frequency design for smoother operation
Hardened wear sleeve for wear resistance even in abrasive conditions
Multi-start threads on backhead and chuck for easy coupling/uncoupling
Unique internal mount system eliminates the need for wear shims and special assembly tools
Specialised heat-treatment hardening for critical components for maximum longevity
DTH Hammers Introduction
3” – 34” DTH Hammers for mining, quarrying, exploration, water-well, geothermal, solar and construction/geotechnical drilling projects.
Every Roschen DTH hammer is built in-house, at our state-of-the-art factories. All components are precision-manufactured using high-quality raw materials and undergo proprietary heat-treatment processes at our own facilities to guarantee durability and quality.
Roschen's DTH hammer models support a wide variety of popular drill bit shank designs and are available with all common backhead connections. API Reg pin connectors are standard. Get in touch today for help choosing the right hammer for your drill project.
Best regards,
Phiger Leo
Direct Line: 0086-137-6419 5009
WeChat/WhatsApp:: +86-137-6419 5009
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ROSCHEN@ INC.
ROSCHEN@ GROUP LIMITED
ROBERT ROSCHEN@ LIMITED
ROSCHEN@ HOLDINGS LIMITED
HEFEI ROSCHEN@ TOOL CO., LTD.
ROSCHEN@ GEOLOGICAL TOOL CO.,LTD.
SHANGHAI ROSCHEN@ INTERNATIONAL CO., LTD.
ROSCHEN@ GEOLOGICAL INSTRUMENTS CO., LTD.
EMAIL: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschendrill.com
http://www.roschenmining.com
http://www.roschendrilling.com
http://www.explorationcoredrilling.com
http://www.roschen.net
http://www.roschen.cn
http://www.roschen.com
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