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.
M3 / 3mm A2 STAINLESS STEEL SOCKET CAP SCREWS WITH NYLOC NUTS HEX HEAD BOLTS
M5 & M6 A2 Stainless Steel Socket Cap Screws, Hexagon Socket Head Allen Bolts
M5 / 5mm A2 STAINLESS STEEL TORX CAP SCREWS TX25 SIX LOBE HEXOBULAR DRIVE DIN912
M5 5MM A2 STAINLESS STEEL CSK COUNTERSUNK ALLEN BOLT + NYLOC NUT + WASHER
M4 M5 M6 A2 STAINLESS STEEL TORX CAP SCREWS SIX LOBE HEXOBULAR DRIVE DIN 912
M2 & M2.5 A2 Stainless Steel Socket Cap Screws, Hexagon Socket Head Allen Bolts
