Product Description
Simpson #7 3" Self-Drilling Siding Screw, 410 Stainless - 1000-Pack is engineered for attaching wood siding, wood panels, and metal trim to steel studs. The Type 410 stainless steel construction can be hardened through heat treatment, giving these screws the ability to drill through metal while delivering reliable holding power in demanding framing and cladding applications.
Key Features
- Trim head design for a low-profile, clean finish on siding and panel installations
- #3 drill point enables self-drilling into steel studs without pre-drilling
- #1 square drive for positive bit engagement and reduced cam-out (replacement bit model BIT1S-2-R2)
- Type 410 stainless steel can be hardened through heat treatment, giving it the ability to drill through metal
- Type 410 stainless steel does not offer the same level of corrosion resistance as Type 316 or Type 305 stainless steel
- Bulk 1000-pack quantity for high-volume framing and siding projects
Specifications
- Model Number: F07T300TDM
- Coating/Material: Type 410 Stainless Steel
- Screw Size: #7
- Length: 3 in.
- Head Diameter: 0.230 in.
- Drive Type: #1 Square
- Head Type: Trim Head
- Thread Length: 2/3
- TPI: 19
- Point Type: Drill Point (#3)
- Packaging Qty: 1000
- Country of Origin: Taiwan
Approved Applications
- Attaching wood siding to steel studs
- Securing wood panels to steel framing
- Fastening metal trim to steel studs
Frequently Asked Questions
- What material are these siding screws made from?
- These screws are made from Type 410 stainless steel, which can be hardened through heat treatment to give it the ability to drill through metal. Note that Type 410 does not offer the same level of corrosion resistance as Type 316 or Type 305 stainless steel.
- Do these screws require pre-drilling into steel studs?
- No. The #3 drill point is a self-drilling tip, allowing the screw to penetrate steel studs without the need for a pre-drilled pilot hole.
- What drive bit is compatible with these screws?
- These screws use a #1 square drive. The recommended replacement bit is model BIT1S-2-R2.
- How many screws are included in this package?
- This package contains 1000 screws, making it well-suited for large-scale siding and panel installation projects.
Note: Product dimensions and/or thread length may differ from picture. Please see item description for specifications.
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