#10 x 1" Serrated Hex Head Sheet Metal Screw - Zinc, Pkg 6000 collated-decking-systems while the larger-diameter upper shank

while the larger-diameter upper shank provides more shear resistance and successful installation

Electrical conduit and cable tray support

Masonry & Concrete Connections: Compatible with wood-to-masonry and wood-to-concrete applications

As the anchor is driven in

Both connectors have a powder-coated black paint for a more finished look

#10 x 1" Serrated Hex Head Sheet Metal Screw - Zinc, Pkg 6000 collated-decking-systems while the larger-diameter upper shankDaggerz brand sheet metal screws are a high quality screw designed for metal to metal fastening jobs. The sharp piercing point penetrates through metal easily and eliminates the need for any pre drilling. These screws work excellent for attaching sheet metal to light gauge metal and anchoring fixtures into light gauge metal. The zinc plating is recommended for installations in dry interior environments only.