M10 x 25 mm Hex Set Screw Zinc Plated Grade 8.8 DIN933 Grade 8.8 high tensile zinc plated steel Thread Pitch - 1.5 m 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 - 25 mm DIN933