A2 Stainless Steel. Allen key sizes: M2=1.5mm key, M3=2.5mm key, M4=3mm key, M5=4mm key, M6=5mm key, M8=6mm key. Stainless Steel A2 (304), DIN 912. Socket Cap Allen Bolts.
M5 / 5mm A2 STAINLESS STEEL SOCKET CAP SCREWS WITH NYLOC NUTS HEX HEAD BOLTS
M3 / 3mm A2 STAINLESS STEEL SOCKET BUTTON / DOME HEAD ALLEN SCREW BOLTS ISO 7380
M2 & M2.5 A2 Stainless Steel Socket Cap Screws, Hexagon Socket Head Allen Bolts
M5 & M6 A2 Stainless Steel Socket Cap Screws, Hexagon Socket Head Allen Bolts
M3 ( 3mm ) A2 STAINLESS STEEL CONE POINT GRUB SCREWS HEX SOCKET SET SCREW DIN914
M3 ( 3mm ) A2 STAINLESS STEEL SLOTTED CHEESE HEAD MACHINE SCREWS DIN 84