Bore Piles Hard Rock Drill Roller Cone Bits With API Standard For Core Barrel

♥ Cutting Structure :

The durability of premium tungsten carbide insert is improved with new formulas and new techniques for insert bit;

♥ Gauge Structure:

Multiple gauge protection with gauge trimmers on the heel of cone,tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.

♥ Bearing Structure :

High precision bearing with two thrust faces. Ball lock the cone. Hardfaced head bearing surface. Cone bearing inlaid with friction-reducing alloy and then silver -plated. Abrasion resistance and seizure resistance

of the bearing are improved.

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.