Meet the FastenMaster Headlok 8 in. L Torx Ttap T30 Coarse Structural Wood Screws, a purpose-built fastener designed to lock timber assemblies together with precision and lasting strength. This 50-pack boxed set is ready for serious framing, decking, or structural projects where reliability matters as much as speed.
Key features that set Headlok apart
- 8 inch long for thick timbers and deep connections, delivering strong, through-the-frame bite
- 3/16 inch diameter provides substantial shear resistance for heavy-duty wood structures
- Coarse thread design grips quickly in soft and medium-density woods, reducing the need for excessive driving force
- Torx Ttap drive with a T30 head reduces cam-out and helps you seat screws flush with confidence
- Flat head sits neatly in countersunk slots for a clean, professional finish
- From the trusted Headlok line by FastenMaster, built for durability in real-world conditions
- Boxed packaging of 50 screws simplifies inventory and on-site organization
- Indoor and outdoor use-ready for decks, framing, sheds, and other structural wood projects
Why choose Headlok for structural wood work
When you’re fastening lumber in structural applications, you need a fastener that maintains tight, lasting joints even under load. The 8 in. length and 3/16 in. diameter strike a balance between deep engagement and practical driving, helping you achieve secure connections in beams, posts, or framing members. The coarse threads bite quickly, reducing pilot-hole requirements in softer woods while still delivering dependable holding power in tougher timbers. The Torx Ttap drive minimizes head stripping, so you can drive with confidence and maintain a flush, professional appearance on every project.
Practical use cases
- Deck framing and structural connections where long, sturdy screws are essential
- Timber frame construction, utility sheds, pergolas, and other outdoor structures
- Repair work or retrofits that require reliable, high-strength wood fastening
Pro tips for optimal results
- Use the correct pilot hole size for the wood type to minimize splitting and ensure clean seating
- Drive slowly and steadily with a compatible Torx Ttap bit to maximize drive accuracy and minimize bit wear
- Inspect each fastener after installation to confirm the head sits flush and the joint is secure
Specifications at a glance
- Brand: FastenMaster — Headlok
- Length: 8 inches
- Diameter: 3/16 inch
- Thread Type: Coarse
- Drive Style: Torx Ttap (T30)
- Head Type: Flat
- Packaging: Boxed, 50 screws per package
- Applications: Indoor and Outdoor structural wood projects
