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GRK RSS Structural Screw (Torx Drive)
- Recessed Star Drive - Zero Stripping with 6 points of contact
- Cee Thread - Enlarges hole to reduce splitting
- W-Cut - Low Torque, Smoother drive
- Washer Head - For immense holding power
- Case Hardened Steel - for high tensile, torque and shear strength
- Climatek Coated AC257 approved in treated lumber
For interior/exterior use in: carrying beams, ledger boards, stair rails, deck posts, playground equipment and other professional applications
GRK’s RSS™ Rugged Structural Screw is made of specially hardened steel to provide you with high tensile, torque and shear strength.
The sharp threads and points bite instantly into the material (including hardwood), reducing the splitting effect due to smaller shanks.
RSS™ screws which are 3-1/8" and longer have a six threaded CEE thread that enlarges the screw hole for the non-threaded portion of the fastener, allowing the wood to settle easily and increasing the screw’s drawing strength. The CEE thread also reduces the friction on the screw shank which can result in lowering the driving torque and the likelihood of splitting the wood. This is why the RSS screw is an efficient lag screw alternative.
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