钻尾螺丝，六角头，凸缘，外立面结构

Case-hardened, zinc-plated blue passivated steel. With covered screw head and sealing washer made of A2 stainless steel. For attaching steel profiles to steel substructures ≤ 4 mm

表面硬化镀锌蓝色钝化钢，带长钻尖。用于将钢制型材固定到钢制基础结构（≤ 12 毫米）上

表面硬化镀锌蓝色钝化钢和密封垫圈。用于将钢制型材固定到钢制基础结构（≤ 5 毫米）上

A2 stainless steel with drill bit tip and moulded thread made of hardened steel. For fastening thin-walled profile panels (splice plate connections) made of steel and aluminium ≤ 2 mm

A2 不锈钢，带钻尖和模制螺纹（由硬化钢制成）。用于将金属型材连接到钢制或铝制金属基础结构上

表面硬化镀锌蓝色钝化钢，带短钻尖。用于将薄壁钢制型材板（拼接板连接）固定到钢制基础结构（≤ 1.5 毫米）上