M4; 0.7mm pitch, 4mm thread diameter, 7.6mm head diameter, 2.2mm head height, 2.5mm key size.
Drenky Allen Socket Cap Head Screws M4 X 30mm Cylinder Screw with Hexagon 304 Stainless Steel DIN 912 (ISO 4762) Hex Sockets Bolts, Pack of 50
BUTTON HEAD SCREWS ALLEN SOCKET BOLTS M3 M4 M5 M6 M8 A2 STAINLESS STEEL DIN 7380
M3 M4 M5 A2 BLACK STAINLESS HEX SOCKET BUTTON HEAD ALLEN KEY BOLT SCREWS ISO7380
CONE POINT GRUB SCREWS ALLEN SOCKET BOLTS M3 M4 M5 M6 M8 M10 A2 STAINLESS STEEL
50 Pcs Self Tapping Screws, M4 x 30mm Multi Purpose Screws, 304 Stainless Steel, Torx Pan Head Screws for Wood, Drywall and Furniture
M8 (8mm) HEX SOCKET CAP, COUNTERSUNK BUTTON DOME ALLEN BLACK BOLTS SCREWS + NUTS
