The FastenMaster 4" TimberLOK Structural Wood Screws are designed for quick installation without the need for pre-drilling. These screws feature a unique tapered head that countersinks easily into wood for a flush appearance. They are ACQ approved and code compliant, making them suitable for use in treated lumber.

• No pre-drilling required for installation.
• Installs faster and easier than traditional lag bolts.
• Sharp point and aggressive threads allow for quick installation.
• ACQ approved and code compliant for treated lumber.
• Unique tapered head countersinks easily into wood for a flush appearance.
• Free bit included in every package.
• Common project applications include remodeling, fencing, storage, cabinets, and framing.
• Set of 12 screws included in the pack.