GRK Fasteners R4 00105 Framing and Decking Screw, #9 Thread, 3-1/8 in L, Round Head, Star Drive, Steel

GRK Fasteners R4 Framing and Decking Screw, Multi-Purpose, Thread Size: #9, Thread Length: 2.087 in, 3-1/8 in L, Head Type: Round, Drive Type: Star, Drive Size: T-25, Steel, Applicable Materials: Cement, Fiber Board, Melamine, Particle Board, Plastic, Sheet Metal, Wood

• Fast bite tip eliminates pre-drilling and provides a fast start for one-step installation

• W-Cut™ low torque, faster drive

• Precision fit reduces wobble between R4 screws and GRK bits for improved productivity

• Zero stripping, with six points of contact

• Optimized thread length improves clamping force for increased drawing power

• CEE Thread™ enlarges hole to reduce splitting

• Cutting teeth cuts wood fiber and provides flush seating

• Head markings for easy identification

• Climatek™ coating is AC257 code approved for use in treated lumber