#7 x 1/2" Slotted Hex Needle Point Sheet Metal Screw - Zinc, Pkg 10000 Common Nails Wings create a clearance hole

Wings create a clearance hole in the top material so the shank will not ride up

The Simpson Strong-Tie LSC Adjustable Stringer Connector provides a strong and versatile connection between stair stringers and deck framing or supporting members

In double embedded anchor installations

Drive screw until washer head contacts the surface fully

Tested per ASTM standards for strength and performance

#7 x 1/2" Slotted Hex Needle Point Sheet Metal Screw - Zinc, Pkg 10000 Common Nails Wings create a clearance holeDaggerz brand sheet metal screws are a high quality screw designed for fastening light gauge sheet metal together. The needle piercing point penetrates through metal easily and eliminates the need for any pre drilling. The zinc plating is recommended for installations in dry interior environments only.