A2 Stainless Steel. Stainless Steel A2 BS4320. Washers are Form C type. Lets bring things together.
M5 ( 5mm ) A2 Stainless Steel Raised Slotted Countersunk Machine Screws DIN 964
M5 ( 5mm ) A2 STAINLESS STEEL FLANGED BUTTON HEAD SCREWS HEX SOCKET FLANGE BOLTS
M5 / 5mm A2 STAINLESS STEEL TORX CAP SCREWS TX25 SIX LOBE HEXOBULAR DRIVE DIN912
M5 ( 5mm ) A2 STAINLESS STEEL CONE POINT GRUB SCREWS HEX SOCKET SET SCREW DIN914
M5 ( 5mm ) A2 STAINLESS STEEL TORX PAN HEAD MACHINE SCREWS SIX LOBE DRIVE (TX25)
M5 ( 5mm ) A2 Stainless Steel Pozi Raised Countersunk Machine Screws DIN 966