M40-115 DTH Hammer Bit

Rock drilling tools manufacturer Bloom offers a comprehensive range of DTH drill bits with M shanks type for a wide range of hole sizes, which have been designed to match all conceivable applications for water well industries, mining and construction.

Shank types: M 30, M 40, M 50, M 60/65, M 380.

DTH rock drill bits hole diameter: 3", 4", 5", 6", 8"(85mm-305mm)

Flat Face

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.