Our Bar Cutting Machine adopts Gears, Shafts, Connection ROD and Blades made of high- quality alloyed steel with required heat treatment (quenchingtemperinghigh frequency) and 12mm thick external case to ensure reliable performances also under heavy loads and long working life. Connection ROD has high hardness degree on attaching part with the blades, its internal side is made of tin-bronze to avoid abrasions while touching the crankshaft.