#10 x 1/2" Serrated Hex Head Sheet Metal Screw - Zinc, Pkg 10000 Quik Drive Metal Roofing Screws Full-Length Machine Thread: Improves pull‑through

Full-Length Machine Thread: Improves pull‑through resistance and ensures strong load transfer

Self-Drilling #1 Drill Point: Eliminates the need for pre-drilling

Floor Joists: Supports floor framing systems in residential and commercial buildings

this screw features a sharp point and unique box-thread design that drive smoothly into wood

Outdoor & High-Moisture Environments: The ZMAX coating ensures protection against moisture and humidity

#10 x 1/2" Serrated Hex Head Sheet Metal Screw - Zinc, Pkg 10000 Quik Drive Metal Roofing Screws Full-Length Machine Thread: Improves pull‑throughDaggerz 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.