Products Description LEANOMS
LEANOMS Group has been the reliable productivity partner for tons of world’ s drilling projects, thanks to a global footprint of LEANOMS drilling products and solutions. In even the most remote and inaccessible Areas of the world.
We offer a wide range of specialist products necessary for the rigors of every drilling application:
Mining; Quarrying; Oil and Gas; Exploration;Geothermal/Waterwell; Geotechnical/Civil Engineering
Our LEANOMS Air Hammer Bits are made to a high standard and are long-lasting. Our Air Hammer Bits deliver the exceptional performance and productivity that drillers around the world demand.
LEANOMS products pride themselves on their versatility and variety, and you can rest easy knowing that each and every one of their Air Hammer Bits may be used for a number of rock drilling tasks.
In our cutting-edge lean manufacturing facility, all of our high performance Air Hammer Bits are created with only the best heat-treated nickel chrome alloy steels and procedures that adhere to ISO 9001:2008 requirements. Every DTH drilling hammer LEANOMS makes must exceed your expectations, and we work hard to maintain high standards for both our services and products.
Specification LEANOMS
Technical Parameters Of DHD3.5 DTH Hammer
| Bit Shank | Connection Thread | Hole Range | Length | Weight | Working Pressure | Air Consumption (m3/min) | ||
| DHD3.5A IR3.5A | API 2 3/8" Reg | Φ90-110mm | 888mm | 25Kg | 7-25Bar | 14Bar | 24Bar | |
| 5.5 | 12.0 | |||||||
Technical Parameters Of DHD3.5 DTH Drill Bit
| Diameter | Gauge Buttons (mm) | Front Buttons(mm) | Weight(KG) | Part Number | ||||
| mm | Inch | Flat Face | Convex Face | Concave Face | Face Type | |||
| 90 | 3 1/2 | Φ14*6 | Φ12*2 | Φ13*2 | / | Convex Face | 4.5 | LR-DHD3.5-90CV |
| 90 | 3 1/2 | Φ14*6 | Φ12*4 | / | / | Flat Face | 4.5 | LR-DHD3.5-90FF |
| 95 | 3 3/4 | Φ14*6 | Φ13*2 | Φ13*2 | / | Convex Face | 4.6 | LR-DHD3.5-95CV |
| 100 | 3 15/16 | Φ14*6 | Φ13*2 | Φ13*3 | / | Convex Face | 4.8 | LR-DHD3.5-100CV |
| 105 | 4 1/8 | Φ14*6 | Φ13*2 | Φ13*3 | / | Convex Face | 5.0 | LR-DHD3.5-105CV |
| 105 | 4 1/8 | Φ13*8 | Φ12*6 | / | / | Flat Face | 5.0 | LR-DHD3.5-105FF |










