For over 20 years, GRK has produced contractor-grade fasteners for professional use, incorporating innovative design features to make screws that are faster and easier to drive and hold better in wood, plastic and composite materials.

These screws all have Torx heads (and are supplied with a matching Torx bit) to reduce the potential for cam-out and slippage in the drive. The hardened steel screws have a rust-resistant Climatek coating that won't react with treated lumber; the 305 stainless-steel versions have a Pheinox coating for additional long-term corrosion resistance in marine environments, below-ground use or other harsh conditions.

These thin-gauge Torx-drive screws have narrow heads so they seat unobtrusively and minimize the risk of wood splitting - key attributes of any fastener used for trim installation or carpentry. Self-tapping tips eliminate the need for pre-drilling; sawtooth-like ridges on threads near the tip reduce friction and driving effort.

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