hub nut 1.material:metal and carbon steel 2.types:hexagon,squared, plain.etc. 3.model:forklift parts hub nuthub nut1. ... , thread rollings, grinding machine.etc.2.types: filter parts, hex nut and bolt, tube joint, cold heading blank, anchor part,forklift ... .5.certificate: ISO90016.ideas: best quality with best serving hub nut