Name: Hexagon Nuts Size: M16-M90 Surface treatment: plain, zp, balck, HDG Package: bulk and box 1) Product name: hexagon nuts2) Size: According to customer's requirements 3) Material: 45#, 35CrMo, 40Cr4) Standard: DIN, ANSI, BS, JIS, GB, ANSI 5) Finish/surface treatment: Galvanized, Plain, Black, HDG, Dacromet, Delta MKS, Geomet 6) Packing: neutral carton packed, in wooden case on strong pallet 7 ...