ST Fastening ZXL Self-Tapping WoodBinder #14 x 1 1/2 in Screws - Metal

In this review the ST Fastening ZXL Self-Tapping WoodBinder #14 x 1 1/2 in screws are evaluated for roof and siding projects where metal panels attach to wood. The bottom line: these screws are aimed at contractors and savvy DIYers who need a durable, corrosion-resistant fastener that replaces stripped fasteners and secures long-life metal panels. The single biggest reason to buy is the ZXL no red rust hex head combined with an EPDM washer that holds up installation angle and pull-over strength better than basic washer screws.

Key Features

• TYPE AB point: Designed to cut and thread through metal roofing and siding panels while seating into wood without pre-drilling, which speeds installation on post-frame and residential jobs.
• ZXL no red rust hex head: The 5/16 in cupped hex washer head is molded with a ZAMAC zinc-aluminum alloy for manufacturer lifetime protection against red rust on the head and washer, improving longevity in exposed applications.
• #14 carbon steel fastener: A larger-diameter carbon steel screw provides strong holding power when fastening metal panels to wood framing or replacing worn fasteners.
• Rescue screw function: Sized to replace stripped or backed-out screws in retrofit scenarios, offering a reliable corrective option without panel replacement.
• EPDM washer: The molded washer is captured by the head and holds its seal even when driven at an angle, which helps maintain a weather-tight fit and maximizes pull-over strength.

Who It's For

The ST Fastening ZXL WoodBinder screws are best for contractors, metal building installers, and homeowners tackling roof or siding repairs who need a heavy-duty fastener with corrosion-resistant heads and dependable washer sealing. The set is particularly useful for retrofit work where existing screws have failed and a larger diameter replacement is required.

Customers seeking ultra-fine finishing hardware or smaller trim screws for delicate woodworking should look elsewhere, since these #14 carbon steel self-tapping screws are intended for metal-to-wood structural attachment rather than decorative or light-duty tasks.

Pros & Cons

Pros

• Durable ZXL no red rust head and washer offer long-term corrosion protection on exposed panels.
• EPDM washer design retains its seal when driven at an angle and improves pull-over strength.
• #14 carbon steel and TYPE AB point cut through metal panels and bite into wood for a secure connection.
• Good value compared with higher-cost alternatives, delivering quality at a lower price point.

Cons

• Color match of the head and washer receives mixed feedback, so appearance may not perfectly match all panel finishes.
• Not intended for fine finish work or non-structural decorative applications.

Specifications

Our Verdict

The ST Fastening ZXL #14 x 1 1/2 in WoodBinder screws are a practical choice for anyone fastening metal roofing or siding to wood framing, or replacing stripped fasteners in retrofit work. They combine a corrosion-resistant ZXL head, EPDM sealing washer and TYPE AB point for efficient installation at a sensible price, making them a solid value for contractors and homeowners focused on durability rather than trim-level appearance.

Frequently Asked Questions

Can these screws be used for retrofit repairs where original screws have backed out?
Yes, they are described as rescue screws intended to replace stripped or backed-out fasteners with a larger diameter for reliable retention.

Do the washers stay sealed if the screw is driven at an angle?
Yes, the EPDM washer is captured by the head and designed to maintain the seal even when installed at an angle, improving pull-over strength.

Are these screws corrosion resistant for roof and siding exposure?
The ZXL molded ZAMAC zinc-aluminum alloy head and galvanized carbon steel body provide manufacturer lifetime protection against red rust on the head and washer for outdoor use.