M6 * 20 mm Hex Set Screw - A2 Grade A2 stainless steel has good resistance to corrosion except in severe industrial and Marine Condition. Use A4 in a marine environment. Where: e = point to point k = head thickness s = across flats l = thread length Thread Pitch - 1.0 mm e - 11.05 mm (min) k - 4.1 mm max) s - 10 mm l - 20 mm DIN933
