ProDrill DTH Bit Advantage:DTH drilling bits are designed for extended wear life. In addition to this, you benefit from great versitality, higher penetration rates, straighter holes and longer bit life. ProDrill exceptionally versatile series of threaded botton bits, from76-350mm in diameter,are made from proprietary grade ofcemented carbide throughout ProDrill provides all the most efficient.
An universal design, especially for hard and abrasive rock formation. Typically, flat face with hemispherical buttons design is the most popular choice. This kind of face shape is suitable for hard to very hard and abrasive rock formations in application with high air pressure. Good penetration rates an resistance to steel wash.
Dome/Hemispherical Buttons
Universal buttons for all rock formation, best suited to hardest and very abrasive rock formation.
Semi-Ballistic/Parabolic Buttons
Excellent penetration rate, but only suited to medium hard and not so very abrasive rock formation.
DHD shankDTH drill bit with flat face, 16 carbide buttons for blasting bore holes, water well drilling and quarrying.