... .Material: aluminium, copper, stainless steel, carbon steel2.Cold forming; machine manufacturing3.Sizes: all sizes M2 - ... ,AS,etc and non-standard nuts;2.size range:M2- M1003.we manufacture non-standard nuts according to customers ... cold-forming8.surface:hot treatment9.our main products include hexagon nuts,flanged nuts,welded nuts,square nuts,nylon lock nuts,castle nuts,wheel nuts,long-nuts ...