A4 grower washer - OEM

A4 stainless steel A4 steels, alloyed with molybdenum, are "acid resistant" and provide better corrosion resistance. A4 is used extensively in the cellulose industry, since this grade of steel was developed for boiling sulphuric acid. It is also suitable to some extent for chloride environments. A4 is also frequently used in the food and shipbuilding industries. ISO / DIN standards This product complies with DIN 127B standards (NFE 25-515, UNI 7151B). These standards ensure professional quality and simple identification of similar products. Below is the table of technical dimensions (according to size): d nominal d1 d2 s b 3 3,1 6,2 0,8 1,3 4 4,1 7,6 0,9 1,5 5 5,1 9,2 1,2 1,8 6 6,1 11,8 1,6 2,5 8 8,1 14,8 2 3 10 10,2 18,1 2,2 3,5 12 12,2 21,1 2,5 4 14 14,2 24,1 3 4,5 16 16,2 27,4 3,5 5 18 18,2 29,4 3,5 5 20 20,2 33,6 4 6 Subscribe to our newsletter : Subscribe I accept the terms and conditions and the privacy policy