Multi-Material No. 10 In. X 3-1/2 In. L T-20+ Flat Head Serrated Construction Screws

The Spax #10 x 3-1/2 In. Flat Head Multi-Material Construction Screw is a versatile fastening solution designed for interior projects across wood, drywall, masonry, sheet metal, and plastic. Whether you're installing drywall, securing wooden beams, or working with metal studs, these screws deliver reliable holding power and a flush finish that blends seamlessly into your work.

Built for both professional contractors and DIY enthusiasts, this screw eliminates common fastening frustrations. The patented 4Cut Point tip prevents splitting and removes the need for pre-drilling in wood, saving time on every job. The innovative thread serrations reduce driving torque, which means less strain on your power tool and longer battery life during extended use.

Features and Benefits

• Multi-Material Performance: Works reliably in wood, drywall, masonry, sheet metal, and plastic, making it your go-to fastener for mixed-material construction and renovation projects.
• No Pre-Drill Required: The patented 4Cut Point tip prevents splitting and eliminates pre-drilling, saving you time and effort on the job.
• T-Star Plus Drive: Efficient installation with professional-grade performance and confidence.
• Reduced Driving Torque: Patented thread serrations lower the torque needed to drive the screw, extending power tool battery life and reducing user fatigue.
• Flat Head Design: Sinks flush into the surface for a smooth, finished appearance ideal for visible applications.

Specifications

• Brand: Spax
• Model: 4191020500904
• Size: #10 x 3-1/2 In.
• Head Type: Flat Head
• Drive Style: T-Star Plus
• Package: 1 Lb. Box (approximately 57 pieces)
• Applications: Wood, drywall, masonry, sheet metal, plastic