Item: drywall screw, calcium silicate board screw

Head:bugle head with emboss

Size:diameter 6#-10#(3.5mm-4.8mm)

Length 1/2'-5'(13mm-125mm) product can also be made upon your drawing or samples.

Finish:black/gray phos, white/blue/yellow zinc plated

Packing:1000 pcs or 500 pcs per box or according to customer requirement and

        Can be packed in your brand name.