Product Description
The Simpson #7 1-5/8" Self-Drilling Siding Screw in Type 410 Stainless Steel is engineered for reliable fastening of wood siding, wood panels, and metal trim to steel studs. Featuring a precision trim head, a #3 drill point for self-drilling performance, and a #1 square drive for reduced cam-out, this screw delivers professional-grade results in both residential and commercial cladding applications. Supplied in a contractor-ready 5,000-piece pack under model number F07T162TDB, this fully threaded 1-5/8" fastener is built for high-volume siding installations where consistency and holding strength matter most.
Key Features
- Trim Head: Low-profile trim head sits flush for a clean, finished appearance on siding and panel installations.
- Self-Drilling #3 Drill Point: Eliminates the need for pre-drilling, driving directly into steel studs for faster installation.
- #1 Square Drive: Minimizes cam-out and improves torque transfer; compatible with replacement bit model BIT1S-2-R2.
- Fully Threaded Shank: The 1-5/8" length features full thread engagement for maximum grip and holding power.
- Type 410 Stainless Steel: Hardenable through heat treatment, enabling the drill point to penetrate metal substrates. Offers good corrosion resistance, though not at the same level as Type 316 or Type 305 stainless steel.
- High-Volume Packaging: Comes in a 5,000-piece pack, ideal for large-scale siding and paneling projects.
Specifications
- Model Number: F07T162TDB
- Screw Size: #7
- Length: 1-5/8 in.
- Head Type: Trim Head
- Head Diameter: 0.230 in.
- Drive Type: #1 Square
- Point Type: #3 Drill Point
- Thread Length: Full
- TPI (Threads Per Inch): 19
- Max. Grip Length: 1.169 in.
- Material / Coating: Type 410 Stainless Steel
- Packaging Quantity: 5,000 pieces
- Country of Origin: Taiwan
Approved Applications
- Attaching wood siding to steel studs
- Fastening wood panels to steel framing
- Securing metal trim to steel studs
What's Included
- 5,000 x Simpson #7 1-5/8" Self-Drilling Siding Screws (Type 410 Stainless Steel)
Note: Product dimensions and/or thread length may differ from picture. Please refer to the item description for specifications.
Frequently Asked Questions
- Do these screws require pre-drilling before installation?
- No. These screws feature a #3 self-drilling drill point that drives directly into steel studs without the need for pre-drilling, speeding up installation on siding and panel projects.
- What drive type does this screw use, and is there a compatible replacement bit?
- This screw uses a #1 square drive, which minimizes cam-out and improves torque transfer. A compatible replacement bit is available under model number BIT1S-2-R2.
- Is Type 410 stainless steel as corrosion resistant as Type 316 or Type 305 stainless steel?
- No. While Type 410 stainless steel offers good corrosion resistance and can be hardened through heat treatment - which enables the drill point to penetrate metal substrates - it does not provide the same level of corrosion resistance as Type 316 or Type 305 stainless steel.
- What applications are these screws designed for?
- These screws are engineered for fastening wood siding, wood panels, and metal trim to steel studs, making them well suited for both residential and commercial cladding applications. The 5,000-piece pack is designed for high-volume siding installations where consistency and holding strength are critical.
Reviews
FAQs
Standard Shipping is free on orders over $50 within the contiguous US. If the order is under $50.00, the shipping is $9.99 set fee for shipping within the contiguous US.
Most of our products will ship within 1 to 3 Business Days. Some Special order products will ship within 2 to 5 Business Days. Preorders will be shipped to you on a first come first serve basis as soon as available from the manufacturer. Items that are "Made-to-Order" (Custom order products) will be shipped when fabrication is completed, shipping and delivery times will vary and depend on manufacturing.
Products that are shipped directly from the manufacturer will have processing and fulfilment times subject to manufacturer availability.
Preorders are shipped on a first come first serve basis as soon as available from the manufacturer, the sooner you place your Preorder the sooner your order will ship.
Freight shipping Policy:
Orders/Items too large or heavy may require special handling/Shipping and may require to be sent by truck. Someone must be present to accept truck deliveries. Standard truck delivery is to a dock facility designed to receive freight. You will be notified within 24 hours of ordering to confirm delivery. Lift gates for deliveries are available for an additional fee.
We offer Financing options through Clicklease
Please email your Return request to info@FactoryDirectSupplyOnline.com
Include the order number and the reason for your return.
All returns, regardless of their categorization, must include all original parts, be in their original packaging, and in the condition in which they were received. You may not qualify to receive a refund If the returned item is used, damaged, missing any parts, or is damaged during return shipping.
Checkout our complete Return policy
You can contact us through our contact page! We will be happy to assist you.