• Thread chaser set includes: UNC(silver): 5/8”-11, 9/16”-12, 1/2”-13, 7/16”-14, 3/8”-16, 5/16”-18, 1/4”-20; UNF(black): 5/8”-18, 9/16”-18, 1/2”-20, 7/16”-20, 3/8”-24, 5/16”-24, 1/4”-28; Metric(gold): M14*1.5, M12*1.75, M12*1.5, M12*1.25, M11*1.5, M10*1.5, M10*1.25, M10*1.0, M8*1.25, M6*1.0
• Thread repair kit contains UNC (Unified National Coarse), UNF (Unified National Fine) and metric sizes, professionally used to repair or renew damaged internal and external threads on nut bolts or studs, effectively cleaning rust and dirt from threads, repairing worn threads and restoring clear thread lines, suitable for most metals such as cast iron, steel, aluminium and copper.
• The thread repair tool set uses three colour distinctions for UNC(silver), UNF(black) and metric(gold) sizes to provide you with quick visual identification. And each notch is marked with the corresponding model number next to it to help you quickly select the correct repair tool.
• All parts of the thread chaser set are made from high quality carbon steel and are highly tempered for strength and durability that allows for use with a socket or wrench and with 49pieces this kit is equipped to help you simplify all rethreading jobs.
• The thread chaser set is equipped with a high-quality heavy-duty plastic suitcase, which can be neatly and orderly placed in the box after each use to prevent loss and extrusion. It is not only convenient to store, but also more portable convenient.