Rock drilling tools manufacturer ProDrill offers a full range of DTH drill bits with M shanks type for a wide range of hole sizes, which have been designed to match all conceivable applicationsfor water well industries, mining and construction.
Rock drill bits Shank types: M 30, M 40, M 50, M 60/65, M 380.
Flat Face Bit This is 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. Semi-Ballistic/Parabolic Buttons Excellent penetration rate, but only suited to medium hard and not so very abrasive rock formation.
M shankDTH drill bit with flat face, 11 semi-ballistic carbide buttons for blasting bore holes, water well drilling.