We are pleased to get to know that you are presently on the market for fasteners products, and as a professional manufacture and exporter of these products in China ,we can fully supply main products as follows: 1.) Product types: DIN933; DIN931; DIN934; DIN125; DIN975; Etc. 2.) Fastener materials: Mild Steel and High Tensile. Grades; 4.6; 4.8; 6.8; 8.8; 10.9; 12.9 3.) Finish treatment: Self Colour; Bright ZINC Plated; Hot – Dipped Galvanised.