Hex Set Screws - A2 Stainless Steel M8 x 40 A fully threaded set screw used in a variety of applications. Manufactured from A2 Stainless Steel offering superior corrosion resistance, perfect for external applications. Stainless steel must be used where there is corrosive environment and/or the base material has inherent corrosive characteristics e.g. Green Oak. NOTE: Nuts not included. Substrates Steel, Thin Sheet Metal Point Type B Point Thread Ø (mm) M8 MOQ Increment 1 DIN DIN 933 Socket Size (mm) 13 Corrosion Rating (1-5) 4 - Urban & industrial areas with a moderate salt atmosphere Thread Type Metric Head Type Hex MOQ 1 Material Austenitic Stainless Steel (A2-304)