
1/2" x 6" Galvanized Lag Bolts – Hex Head Wood Screws
Super Strong Wood Screws!
These 1/2" x 6" Hex Head Lag Bolts are heavy-duty fasteners designed for wood-to-wood applications where strength and durability matter most. Made from Grade 2 galvanized steel, they offer excellent corrosion resistance thanks to an electro-galvanized zinc coating, making them ideal for interior construction projects. With a coarse 13 TPI thread and a 4.5-inch threaded length, these wood lag screws provide a secure, long-lasting hold—perfect for projects involving heavy wood pieces. The 3/4-inch hex head allows for easy installation using a socket or wrench, and no washer is needed.
- Washer not required
- Pilot Hole Size: 5/16 inch (Recommended)
- Not compatible with pressure-treated lumber (ACQ)
- For Masonry Applications must be combined with a lag shield
Specs
- Size: 1/2" dia. x 6" L
- Finish: Electro Galvanized (zinc plated)
- Head Style: Hex Head
- Head Diameter: 3/4"
- Threads Per Inch (TPI): 13
- Thread Style: Coarse
-
Threaded Length: 4-1/2"
- Non-Threaded Length: 1-3/8"
- Grade: 2
- Applications: Interior
- Weight: 0.22 lbs/pc
- Packaging: 25 pcs/bag; 200 pcs/box
Features
- Heavy-Duty Hold – Designed to fasten heavy wood pieces together with superior strength and long-term reliability, much stronger than your typical screw!
- Easy Installation – Use a 3/4" socket or wrench with a 5/16" pilot hole; no washer required.
- Galvanized (Zinc Plated) for Corrosion Resistance – Zinc-plated finish protects against rust in dry, indoor environments.
- Optimized Design – 4.5" of threading delivers strong holding power, while the 1-3/8" unthreaded shank helps pull materials tightly together for a secure, flush fit.
- Interior Woodworking Projects – Great for framing, furniture building, cabinetry, shelving, and general carpentry. Not suitable for ACQ pressure-treated wood or outdoor use.
- Masonry Applications: Must be combined with a lag shield
FAQ
Do I need a pilot hole?
Yes, a 5/16" pilot hole is recommended for easier installation and to prevent wood splitting.
Can I use these with pressure-treated wood?
No, they are not compatible with ACQ pressure-treated lumber.
What tool do I use to install these?
Use a 3/4" socket or wrench—no washer needed.
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