Detailed Product Description nylon nut, auto nut, automobile nut1) Material: steel and stainless steel (SUS304, SUS316) ... treatment: ZP, BZP, HDG3) Size: M6-M20, UNC 1/4"-3/4", BSW 1/4"-3/4"4) According to customers' drawings or samples ... ,we can guarantee customer the best pne.we got the Auto-Optical Sorting Machine and We can offer you the PPAP ...