Special DIN251cheese head hex socket flange screw for elevator

Special DIN251cheese head hex socket flange screw for elevator specification: M6*10 Finishing: Zinc-plating Material:10B21 Special DIN251cheese head hex socket flange screw for elevator can be customized by your drawing and samples. We provide kinds of special screws cold forging parts as kinds of material stainless steel S/S304 S/S6016.aluminum5052 6063,brass and copper ,carbon steel 1018A 1022 2125 etc.M1.2-M30 and 4.8gr-12.9 gr.Size and Finish ,heat treatments can be