GRK 02137 R4 Handy-Pak Multi-Purpose Framing Screw, #10 x 3-1/8", 100-Count

This design enhances the R4's versatility by allowing the fastener to countersink into even the hardest woods. The head of the screw closes the hole off with precision leaving no damaged fibers around the head. R4 screws 2" and longer have a four threaded CEE Thread. This enlarges the screw hole for the non-threaded portion of the fastener, allowing the wood to settle easily. It increases the screw's drawing strength and reduces the friction on the screw shank that lowers the driving torque.

• 100 count
• Recessed Star Drive zero stripping, with 6 points of contact
• CEE Thread enlarges hole to reduce splitting
• Cutting Pockets provide a clean hole, reduces splitting, and bore with precision
• Case Hardened Steel for high tensile, torque and shear strength
• Climatek Coating is AC257 code approved for use in treated lumber
• For interior/exterior use in wood, plastic, cement fiber board, sheet metal, wood decking and melamine.

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