Bolt Base 1.6mm A2 STAINLESS STEEL ALLEN BOLT SOCKET CAP SCREW HEX HEAD DIN 912 M1.6 X 3 - 50 Corrosion Resistant A2-70 Stainless Steel Socket Cap Screws- DIN 912 1.6mm Metric Thread, M1.6 - 0.35mm Pitch Length - 3mm Excluding Head Not Suitable For Replacing High Tensile Fasteners