Heavy Duty Structural Lag Screws One Quarter X Four Inch Carbon Steel Wood Fasteners With Built Like A Tank Durability And Rust Resistant Finish For Acq Treated Lumber And Projects That Go The Distance
✔️ Knurled shaft T30 drive truss head yellow zinc coating for lumber
These heavy duty structural lag screws connect thick timber and pressure treated boards using a quarter inch shank and four inch threaded grip. They are typically used for outdoor decks, pole barns, retaining walls, and log home framing where standard nails or drywall screws would instantly fail. Each unit ships individually so you only grab exactly what you need.
✅ Half turn knurl pattern grips the wood grain so less hammer force drives them home✅ Modified truss washer head covers the hole while keeping a flat sleek profile on exposed surfaces
✅ Type seventeen pointed tip cuts through dense softwood and hardwood without splintering
✅ T thirty star recess accepts common power drivers without camming out or stripping the slot
✅ Conversion yellow finish resists rust and handles alkaline chemicals found in ACQ treated material
💡 What are structural lag screws used for in heavy timber framing applications? These fasteners anchor massive beams and posts straight into concrete or solid timber frames without bending under heavy loads. You can rely on them when you want a dependable hold for your next handy home upgrade or commercial job site. - Quarter inch diameter shanks distribute weight evenly across support joists - Deep aggressive threads bite hard into green lumber and kiln dried stock alike - Multi layer corrosion coating stops surface oxidation before it eats through your carpentry - Sold as individual units so you only buy exactly how many your project demands
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