Product Description
Simpson #7 3" Self-Drilling Siding Screw, 410 Stainless - 2000 Pack is a Type 410 stainless steel trim-head screw engineered for attaching wood siding, wood panels, and metal trim to steel studs. The #3 drill point eliminates the need for pre-drilling, while the compact trim head delivers a clean, low-profile finish on exposed surfaces.
Key Features
- Trim head design for a low-profile, finished appearance on siding and panel applications
- #3 drill point for fast, clean 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
- 19 TPI thread count with 2/3 thread length for strong holding power in wood and light-gauge steel
- Bulk pack of 2000 screws for high-volume production and professional job-site use
Specifications
- Model No.: F07T300TDB
- Coating/Material: Type 410 Stainless Steel
- Screw Size: #7
- Length (in.): 3
- Head Diameter (in.): 0.230
- Drive Type: #1 Square
- Head Type: Trim Head
- Thread Length (in.): 2/3
- TPI: 19
- Point Type: Drill Point (#3)
- Packaging Qty.: 2000
- Country of Origin: Taiwan
Approved Applications
- Attaching wood siding to steel studs
- Fastening wood panels to steel framing
- Securing metal trim to steel studs
Frequently Asked Questions
- What type of drive does this screw use, and is a replacement bit available?
- This screw uses a #1 square drive. A compatible replacement bit is available under model number BIT1S-2-R2.
- Can this screw drill through metal without pre-drilling?
- Yes. The #3 drill point is designed for self-drilling into steel studs, so no pre-drilling is required before fastening.
- Does Type 410 stainless steel offer the same corrosion resistance as Type 316 or Type 305?
- No. Type 410 stainless steel can be hardened through heat treatment, giving it the ability to drill through metal, but it does not offer the same level of corrosion resistance of either Type 316 or 305 stainless steel.
- How many screws are included in this package?
- This package contains 2000 screws, making it well-suited for large 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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