Allen key sizes: M2=1.5mm key, M3=2.5mm key, M4=3mm key, M5=4mm key, M6=5mm key, M8=6mm key. A2 Stainless Steel. Stainless Steel A2 (304), DIN 7984. Socket Cap Low Head Allen Bolts.
A2 STAINLESS STEEL LOW HEAD SOCKET CAP SCREWS, ALLEN KEY BOLTS HEX HEAD DIN 7984
M5 / 5mm A2 STAINLESS STEEL LOW HEAD SOCKET CAP SCREWS, ALLEN KEY BOLTS HEX HEAD
M6 / 6mm A2 STAINLESS STEEL COUNTERSUNK CSK SOCKET CAP ALLEN BOLT SCREWS BOLTS
M5 M6 M8 M10 A2 Stainless Steel Allen Bolt Socket Cap Screws Hex Head DIN 912
M6 / 6mm A2 Stainless Steel Hex Head Part Threaded Bolts Hexagon Screws DIN 931
M2 M2.5 M3 M4 A2 Stainless Steel Allen Bolt Socket Cap Screws Hex Head DIN 912