ST Fastening #12 X 4-1/2" InsulDrill Metal Roofing Screw - Bright White, Pkg 100
ST Fastening #12 X 4-1/2" InsulDrill Metal Roofing Screw - Bright White, Pkg 100!
ST Fastening #12 X 4-1/2" InsulDrill Metal Roofing Screw - Bright White, Pkg 100
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Specifications
ST Fastening #12 x 4-1/2" InsulDrill Metal Roofing Screw - Bright White, Pkg 100
For insulated metal roofing systems requiring additional penetration depth, this #12 x 4-1/2" InsulDrill screw delivers dependable fastening strength and a clean Bright White finish. Built for post-frame and residential applications, it secures panels through insulation and into wood substrates with confidence. Each package includes 100 screws for consistent jobsite supply.
Note: Confirm required embedment depth based on insulation thickness and framing specifications.
4-1/2" Bright White Insulated Metal Roofing Screw with Drill Point
This extended-length roofing screw is designed to fasten steel panels and insulation to wood framing members. The self-drilling point simplifies installation, while the bonded sealing washer supports long-term watertight performance.
Key Features
- #1 Self-Drilling Point: Penetrates metal panels efficiently without pre-drilling.
- Bright White Coated Head: Blends cleanly with white roofing systems.
- G-90 Bonded Washer: Helps prevent moisture intrusion at the fastener location.
- #12 Diameter Shank: Provides strong holding power in wood substrates.
Common Applications
- Insulated Metal Roof Panels: Secures panels through insulation into wood purlins.
- Residential Roofing Projects: Suitable for new construction and replacements.
- Post-Frame Buildings: Ideal for pole barns and utility structures.
- Metal Siding Systems: Attaches wall panels to wood framing.
- Panel Color Matching: Coordinates with bright white roofing materials.
Installation Tips
- Drive at Moderate Speed: Allow the drill point to cut cleanly through metal.
- Seat Washer Evenly: Compress until snug without crushing the seal.
- Verify Framing Location: Ensure screws are installed into structural supports.
Related Items
Pair this 1/4" Magnetic Nutsetter with high-quality ST Fastening Screws for fast, secure, and efficient installations. Using the right nutsetter ensures a cleaner finish, reduced slippage, and improved efficiency on the job.








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ST Fastening #12 X 4-1/2" InsulDrill Metal Roofing Screw - Bright White, Pkg 100
Perfect for a problem roof that dips and installing metal roofing these extra long roofing screws worked perfect, and color perfect.
The Customer Service Rep was great. He had all the information off the top of his head. one of my questions was (With the materials shortage (Screws) would they be able to fill the order? The CS Rep assured me that the company has tons of screws in stock and would easily fill this order. The leed time on the website was 7-10 days. I believe it was exactly the ten days. the screws arrived in a timely manner.
Thank you for the assistance and the screws.
great product, working great for our needs. We will continue to use Fasteners + Plus for specialty screws.