The FastenMaster HeadLOK Structural Wood Screw is a flat head screw engineered for a wide range of heavy duty wood construction applications including:
• Structural Insulated Panel construction
• Stress Skin/Timber frame connections
• Deck framing
• Stair stringers
• Two, three and four ply beam connections
• Hanging cabinets
HeadLOK Screw Features
• Sharp gimlet point for fast, one step installation into wood and OSB.
• Aggressive 2” thread for holding and withdrawal strength.
• Now with TORX ttap Drive System delivering a superior bit engagment for a stable wobble free installation.
• One Torx ttap bit is included per pail.
• Wafer head eliminates the need for a washer and offers dramatically increased pull through strength.
• Self drilling for most applications.
• Low profile head does not "Telegraph" through cover layer.
• Chamfer under head for increased strength.
• Highly corrosion resistant.
• American Made.
HeadLOK Benefits
• HeadLOK fasteners replace 3/8" lag screws for many applications.
• Complies with national building codes.
• Suitable for both pressure treated applications and exterior applications.• Wide Head for increased loads without the need for a washer.
• Specifically heat treated to maximize strength while maintaining ductility.
• 2" of thread for greater holding strength.
• Spiderdrive offers great bit engagement.
HeadLOK Screw Installation Tips
• HeadLOK should be installed using a high torque, 1/2" variable speed drill (18V if cordless).
• Drive the HeadLOK head flush to the surface.
• No predrilling required when proper end and edge distances are maintained.
HeadLOK Screw Guarantee
• HeadLOK is guaranteed not to rust or corrode for the life of the project. The fastener has also been tested and approved for use in ACQ.
• HeadLOK is not recommended for saltwater applications.
Product Resources
• HeadLOK Screw Product Guide
• FastenMaster HeadLOK Catalog Page
• OMG FastenMaster HeadLOK Guarantee of Performance
• Technical Report - Use of HeadLOK Fasteners to Attach Cladding to Wood Framing through Foam Sheathing
• Technical Report - Use of HeadLOK Fasteners to Provide Stud to Top and Bottom Plate Uplift Attachment
• ICC ES Evaluation Report
• Safety Data Sheet - Fastenmaster Fasteners
