Topec 35 Piece Screw Extractor and Drill Bit Set, bolt Extractors, Multi spline Bits for Removeing Broken Studs, Bolts, Socket Screws, Fittings

PREMIUM INDUSTRIAL GRADE MATERIAL - Made of heat-treated high-quality high-carbon steel (chromium-molybdenum steel)is the ideal tool for removing broken screws, bolts, studs, fittings, threaded pipes and pins VARIOUS SPECIFICATIONS AND SIZES- The set contains four types of 35 models of parts including imperial sizes such as: 1/8", 5/16", 5/8", 7/16", 11/32", 1/4" etc. You can choose the suitable size according to the size of your fasteners to meet various job requirements. CR-MO STEEL AND HSS MATERIAL-The set is made of CR-MO steel and HSS materials. The spiral pattern design can provide sufficient gripping force to facilitate removal. High-quality materials can be used for fasteners of various metals. Please note: Cobalt drill bits should not be used for stainless steel. WIDE RANGE OF APPLICATIONS- Spiral flute extractors are perfect for common fasteners. The mult-spline extractors are useful for higher torque and lower profile tools, while the bolt extractors are for freeing partly-exposed fasteners. The kit also includes a left cobalt drill bit for fasteners, which can be used to help drill these fasteners