With advanced rolling produce line for auger, we can guarantee thousands of augers and spiral blades can be made out everyday. The auger with spiral has been widely used in diverse combine harvesters and feed transportation machine devices. This product can be made by special rolling machine with imported carbon with high quality carbon.It also can be processed in arbitrary inter diameter, outer diameter, pitch as well as arbitrary length spiral blade to meet diverse customers¡¯ demands. This product has characters like clear surface, advanced strength, economic and abrasion resistance etc. It is a good choose for kinds of harvester machines, feeding processing machines, shaving exhausters, mine extracting devices and planting machines as well.