GRK FASTENERS #9 x 3-1/8" R4 Star Drive Deck Screws - Black, 100 Pack

Black for architectural applications with the same performance of Gold R4 allows you to frame with ease and confidence. Multi-use screw for wood, particle board, sheet metal, cement fibre board, laminate and wood decking and melamine. They are self-tapping eliminating pre-drilling featuring a countersinking head with cutting teeth, W-Cut™ for reducing splitting, CEE Thread™ for no splitting, reducing install torque and our Climatek™ AC257 code approved coating.

• Black for architectural applications
• Recessed star drive: zero stripping, with 6 points ofcontact
• CEE Thread: enlarges hole to reduce splitting
• W-Cut(TM): low torque, smoother drive
• Zip-Tip(TM): no pre-drilling, faster penetration
• Cutting pockets: provide a clean hole, reduces splitting, and bore with precision
• ESR-3201 approved for structural application
• Case hardened steel: for high tensile, torque and shear strength
• Climatek(TM) Coating is AC257 code approved for use intreated lumber
• For interior/exterior use in wood, plastic, cement fibre board, particle board, sheet metal, wood decking and melamine