FastenMaster TimberLOK 6 in. Blister Pack

Elevate your wood-to-wood fastening projects with the FastenMaster TimberLOK 6 in. structure screw. Designed for heavy-duty applications like deck framing, fencing, post-to-beam connections and landscaping, this screw drives cleanly through pressure-treated and dense woods without the need for pre-drilling. Its countersunk hex washer head delivers a flush, professional finish, while the heat-treated steel construction and aggressive threads ensure maximum holding power and long-term durability—even in demanding outdoor environments.

Whether you’re a contractor or a DIY enthusiast, the included 5/16″ hex drive bit makes installation seamless. Plus, with ACQ approval and code compliance (IBC/IRC ESR #1078), you’ll have peace of mind knowing your projects meet the highest industry standards.

Key Features

• No pre-drilling required for faster installation
• Countersunk hex washer head for a flush finish
• Heat-treated steel for superior strength and toughness
• Aggressive, fully threaded design for exceptional holding power
• Corrosion-resistant finish guaranteed for the life of the project
• ACQ approved and IBC/IRC ESR #1078 code compliant
• Includes 5/16″ hex drive bit for quick start