M4 M5 M6 M8 M10 M12 A2 EDELSTAHL INNENSECHSKANTSCHRAUBEN INNENSECHSKANTSCHRAUBEN

M8 Thread pitch: 1.25mm. M10 Thread pitch: 1.5mm. M12 Thread pitch: 1.75mm. A2 STAINLESS STEEL HEX CAP HEAD SCREWS. A2 Stainless Steel. M6 Thread pitch: 1.0mm. M5 Thread pitch: 0.8mm. A form of socket screw, driven by a hexagon wrench/Allen key.

eBay