DTH Drill Bit DHD3.5-138

DTH hammer bits are designed for maximum performance and hole cleaning ability and high penetration rate.

ROSCHEN can design and manufacture according to customer's requirement of the down the hole bits with different Diameter, air holes numbers, carbide button shape and the face shape.

DTH Bit DHD3.5-138

Features of Convex Face

This face has been designed to offer high penetration rate in soft rock such as shale, limestone etc

They are recognized for having excellent capability for drilling into moderately consolidated rock conditions

Carbide Design

DTH Bits with hemispherical carbide configuration are capable of drilling in hard rock. Although their penetration rate is slower in comparison to the bits with semi ballistic carbide profile, the bits equipped with these hemispherical buttons have a longer life.

ROSCHEN is rock drilling tools manufacturer, we offer an extensive range of DTH hammer rock drill bits with shank type: DHD3.5, DHD340A, DHD3.5R, DHD360, DHD380; and DTH bits hole diameter: 3'', 4'', 5'', 6'', 8''(85mm-350mm).

Down The Hole Drilling Button Bits are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special "stress relief" processes ensure consistent performance.

Down-the-hole (DTH) bits are used with Down-the-hole hammers for drilling holes through a wide range of rocks types. In conjunction with DTH hammers, drill hammer bits are designed with a splined drive for rotating the bit in the ground. Drill bits are available in different sizes and different styles so they can drill a wide range of hole sizes.

Dth Hammer Drilling Tools Specifications: