DTH Bit-DHD350-140

Bloom rock drilling tools manufacturer has a full range of DTH drill bits with CIR shanks type for a wide range of hole sizes, which are designed to match all conceivable applications for water well industries, stone quarrying, mining and construction.

Shank types: DHD3.5, DHD340A, DHD350R, DHD360, DHD380.

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

DHD shank DTH hammer bit with concave face, 19 dome carbide insert buttons for blasting bore holes, water well drilling.

Rock drill bits Concave Face

The all around application bit face specifically for medium hard and homogeneous rock formations. Good hole deviation control and good flushing capacity.

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.