... 2.types:hexagon,squared, plain.etc. 3.model:forklift parts Wheel nets nut 1.machines: cold headers,numerical control machines, measuring trucks ... , thread rollings, grinding machine.etc.2.types: filter parts, hex nut and bolt, tube joint, cold heading blank, anchor part,forklift ... % inspection.5.certificate: ISO90016.ideas: best quality with best serving Wheel nets nut