Product Description
Simpson #12 x 1" Self-Drilling Screw with 14 TPI and Zinc Coating is a heavy-duty metal fastener engineered for reliable steel-to-steel connections. Designed with a hex washer head and sharp drill point, this screw drives directly into structural steel without pre-drilling, making it a go-to choice for steel decking installation, steel stitch fastening, and cold-formed steel framing applications. The zinc coating provides corrosion resistance to help maintain long-term holding strength in demanding construction environments.
Key Features
- #12 diameter with 1" length - provides a compact, strong profile suited for thin-gauge steel connections without over-penetrating the material
- 14 TPI (threads per inch) machine thread - delivers consistent thread engagement across steel surfaces, ensuring a secure and stable mechanical connection
- Self-drilling drill point (point size 3) - eliminates the need for a pilot hole, reducing installation steps and saving time on the job site
- Hex washer head with 5/16 in. hex drive - the wide bearing surface distributes load evenly and the hex drive allows high-torque power tool installation for fast, efficient fastening
- Zinc coating - protects the steel fastener from corrosion and surface oxidation, extending service life in interior and dry-environment structural applications
- 0.415 in. head diameter - the broad washer-style head resists pull-through in steel panel and decking applications, keeping connections tight under load
Why This Product
- The built-in drill point cuts through steel on contact, so installers can fasten steel decking or cold-formed framing members without stopping to pre-drill - saving labor and speeding up production
- The hex washer head design combines a large bearing surface with a 5/16 in. hex drive, making this screw compatible with standard magnetic hex driver bits and reducing cam-out during high-torque installation
- With 14 TPI machine threads, this screw is optimized for gripping structural steel securely - the thread pitch is specifically suited for the material thickness common in steel decking and light structural framing
- The zinc coating adds a layer of corrosion protection that helps maintain structural integrity over time, making this a dependable choice for interior steel framing and metal building applications
Specifications
- Brand: Simpson Strong-Tie
- Screw Size: #12
- Length: 1 in.
- Head Type: Hex Washer Head
- Head Diameter: 0.415 in.
- Drive Type: 5/16 in. Hex
- Thread Type: Machine Threads
- TPI: 14
- Point Type: Drill Point
- Point Size: 3
- Coating: Zinc
- Country of Origin: Taiwan
Available Pack Options
- X1B1214R100: 100 Pk
- X1B1214-3.5K: 3500 Pk
Approved Applications
- Fastening steel decking to structural steel
- Steel stitching - side-lap stitching of steel panels
- Cold-formed steel framing connections
Frequently Asked Questions
- Do I need to pre-drill a pilot hole before installing this screw?
- No. This screw features a size 3 drill point that allows it to self-drill directly through steel without a pre-drilled pilot hole. This streamlines installation and reduces the tools and steps required on the job site.
- What driver bit do I need to install this screw?
- This screw uses a 5/16 in. hex drive. A standard 5/16 in. hex (magnetic nut driver) bit is compatible with most power drills and impact drivers. Simpson's replacement driver bit BITHEXR516-R1 is a compatible option.
- What materials is this screw designed to fasten?
- This screw is designed for metal-to-metal applications including fastening steel decking to structural steel, side-lap stitching of steel panels, and cold-formed steel framing. The 14 TPI machine thread is specifically suited for engaging structural steel.
- Is the zinc coating suitable for outdoor or wet environments?
- The zinc coating provides corrosion resistance appropriate for dry and interior structural applications. For prolonged exposure to moisture or corrosive outdoor conditions, consult Simpson's product literature to confirm the appropriate coating level for your specific project requirements.
Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.
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.