10 piece Impact Screw, Stud and Bolt Extractor Set 1/2 Drive A set of extractors to remove broken studs, pipes, set screws, grease fittings, etc. Featuring large, serrated, reverse thread with a channel that aids engagement with the work piece. Manufactured from CR-MO (Chromium Molybdenum steel) with heat treatment to obtain maximum hardness and a phosphate black finish. Contains: #1 - 3mm for extracting fixings 3-5mm in diameter #2 - 4mm for extracting fixings 4-6mm in diameter #3 - 5mm for extracting fixings 5-8mm in diameter #4 - 6mm for extracting fixings 6-9mm in diameter #5 - 8mm for extracting fixings 8-11mm in diameter #6 - 10mm for extracting fixings 10-13mm in diameter #7 - 12mm for extracting fixings 12-15mm in diameter #8 - 14mm for extracting fixings 14-17mm in diameter #9 - 17mm for extracting fixings 17-20mm in diameter #10 - 19mm for extracting fixings 19-22mm in diameter CR-MO material with HRC 48-50 for strength Length: 79mm approx Suitable for use with an impact wrench Plastic moulded storage case Part No 7567
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