M36 HALF NUT A4 Stainless Steel DIN439 A4 grade stainless steel has a greater corrosion resistance than A2 in certain environments. It is often used for Marine applications especially when coming into direct contact with salt wate Where: e = point to point m = thickness s = across flats d = Thread e - 60.79 mm (min) m - 16.9 mm (min) s - 55 mm d - M36 Thread Pitch - 4 mm DIN439