The AXIS Structural Wood Screw is designed to take wood screws to an entire new level. Every facet has been evaluated and improved (patents pending). Our extra sharp Fast Start Tip saves you time onsite and the Twin Blade Knurls outperform the competitors. The Turbine Ribs ensure an incredibly clean finish. Its cup shaped countersinking head, provides unparalleled holding power and less risk of splitting the wood. The Horizon Curve Head has been architecturally engineered to leave an elegant finish.