Fine thread bugle head drywall screw and coarse thread drywall screw Sharp Point means quick easy penetration into light gauge metal wood Diameter: 3.5mm(#6), 3.9mm(#7), 4.2mm(#8), 4.8mm(#10) Length: From 16mm to 152mm From 1/2" to 6" Coating: Black Phosphated, Grey Phosphated, Zinc, Yellow Zinc, Decromet
