Specialised screws for various functions and applications in the automotive, construction, electronics, foodstuffs, agricultural and shipbuilding industries. Hexagon head screws with a large contact surface to minimise the risk of slippage; Allen screws with high clamping force and metal thread screws for fastening metal parts. All of them are made of steel and stainless steel A2 and A4, which are shown with their respective dimensions and lengths.