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New rotary drill pipe tools from Sandvik

The company said the new line had been designed to handle the demanding operational requirements of drilling the hard rock and abrasive formations commonly found in surface mining, and was built to withstand extreme torsional and axial loads. Products in the range include:Drill pipe, made from premium-quality, heat-treated seamless tubing and available in ultra-premium grade (special alloy) for hard abrasive formations, and premium grade for non-abrasive formations. Outside diameters range from 3in (76.2 mm) to 13 3/8in (339.7 mm);Rotary subs and adapters, including bit (bottom) subs, top (spindle) subs, cross-over subs and thread-saver subs, manufactured to stringent heat treatment specifications;Stabilisers, available in two designs: a welded blade, featuring an integral fixed blade design with no moving parts, optimal for scraping; and a rotating roller, incorporating Sandvik’s tungsten carbide inserts for resistance to breakage and wear;Deck bushings, static or rotary, designed to run smoothly and provide extended trouble-free operation; andShock subs, designed to reduce drill string vibrations, minimising rotary head wear and damage while insuring a constant bit-on-bottom hole cutting action.

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