Feature:
Option half-automatic or manul mechanic bottom open system. Built-in ventilation pipe；
Cast pilot with rock drilling bits , arc guide plate teeth arrangement, double unlocking system;
Staggered arrangement of rock drilling bits;
Applicable layers: gravel , pebble , highly or medium weathered rock；

Customizable Items:
Cutting DIA. Custom : design various cutting diameter based on demand, like φ950,φ1050 etc.
Shell HIT. Custom : design as demand, prolong or shortten, increase of efficiency by drilling more.
Key Component Reinforce Custom : strengthen the key component to extend life cycle;
Cutter Custom: single cutter and double cutter design as demand;
Bottom Custom : single bottom and double bottom design as demand;
Kelly Box Custom : custom kelly box size based on the kelly bar, like 130*130, 150*150, 200*200 etc;
Bottom Open Mechanic : half-automatic or manul mechanic bottom open system.

Hebei Tuff Equipment And Technology CO., LTD. was established in 2016 which is a high-tech enterprise integrating researching construction method, design, manufacturing, sales and trade. Upholding the principle of focusing on our belief and pursuit of excellence, we have always been striving to become an expert on providing overall solution in pile foundation area.

Tuff has a professional technical team who commit to the design and development of Kelly bar, drilling tools, casing series and other products. Our products are in line with international standards in technology and quality, and can be customized according to customers' requirements.

Adhere to the belief of integrity and innovation, we constantly improve the product competitiveness and strive to become the first-class equipment manufacturing enterprise. Tuff actively explores the international market. Our products have been exported to Thailand, Malaysia, Singapore, Philippines, Indonesia, Vietnam, Myanmar, Dubai, Australia, Japan and Russia.