Countersunk Allen Bolts. Allen key sizes: M6=4mm key. A2 Stainless Steel. Stainless Steel A2 (304), DIN 7991. The bolt length includes the head. Bolt World.
M6 ( 6mm ) A2 STAINLESS STEEL FLANGED BUTTON HEAD SCREWS HEX SOCKET FLANGE BOLTS
M6 / 6mm A2 STAINLESS SLOTTED CHEESE HEAD MACHINE SCREWS METRIC SLOT SCREW
M6 ( 6mm ) A2 Stainless Steel Raised Slotted Countersunk Machine Screws DIN 964
M6 (6mm�) A2 Stainless Steel Hex Head Fully Threaded & Part Thread Bolts + Nuts
M6 6mm A2 STAINLESS STEEL SOCKET CAP SCREWS METRIC COARSE HEX ALLEN DIN 912
TRIKE M6 6MM A2 STAINLESS STEEL COUNTERSUNK CSK BOLT + PLAIN NUT + WASHER