Outer Dia.(mm) | Inner Dia.(mm) | The Max.Wall Thickness | Reamed Dia.(mm) |
325 | 305 | 15 | 378 |
Inner Dia.of Casing Shoe That Pilot Bit Can Pass Through | Inner Dia.of Casing shoe (mm) | Hammer Type | Drill Pipe (mm) |
280 | 281 | 10 inch | 89/114 |
.WORLDRILL® DTH drilling tools including DTH hammers and bits are widely used in a variety of application formations in more than 50 countries in the world.
Our hammer and bits are made of high quality alloy steel with advanced heat treatment to assure the good drilling performance and long service life. They are widely used by our customers all over the world.
" I am so impressive with WORLDRILL and thanks for their good service and understanding "
--- Alexander from South Africa
" I have found the best provider"
--- From an Indian Partner
https://www.alibaba.com/product-detail/DHD340-High-Air-pressure-with-foot_62136348345.html?spm=a2747.manage.0.0.778871d28uRWv7
For drilling solutions or custom manufacture, please contact WORLDRILL now to find out what more we can do for you: