Retrac threaded bits are also available. DTH Button Bits and Hole Openers are made to the same exacting standards as the Threaded Button Bits. BRI uses a heat treated process which is constantly monitored to obtain maximum bit hardness. Button Bits and Hole Openers are also shotpeen as a stress relief process to combine added strength and a distinct uniform appearance. Face designs include flat, drop center, convex, and concave.
Various shanks are available to fit virtually every drill hammer.
Blade inserts are brazed in place with the latest known bonding materials. Replaceable blades are available in either regular or step type design. Drag bits can be ordered in a variety of pin or box type connections to meet all construction, exploration, foundation, mining, seismic, and water well drilling requirements. Different size multi-stage reaming bits are available from BRI on request. For more information on Bellwether Resources International Contact Us .