M10 * 40 mm - Hex Set Screw - A4 Grade Stainless Steel A4 grade stainless steel is also known as type 316 S31. This has a greater corrosion resistance than A2 in certain environments, and is often used for Marine applications especially when coming into direct contact with salt water. Thread Pitch - 1.5 mm Where: e = point to point k = head thickness s = across flats l = thread length e - 17.77 mm (min) k - 6.6 mm (max) s - 17 mm l - 40 mm DIN933
