GRK Black Structural Screw RSS 5/16X5-1/8
GRK's RSS screw is made of specially hardened steel to provide you with high tensile, torque, and shear strength. The sharp threads and points bite
5/16 x 5-1/8-inch Star Drive Round Washer Head RSS Rugged Structural Screws - 50pcs
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GRK Fasteners, 5/16x5-1/8 Washer RSS Screw 50pk, Model 772691122315 - Yahoo Shopping
5/16 x 5-1/8 RSS Rugged Structural Self-Tapping Screw
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GRK RSS™ STRUCTURAL SCREWS
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GRK Screws 12235 5/16x6 Star Drive Washer Head Climatek Coated Steel R – USA Tool Depot
5/16x3-1/2 in. GRK RSS Washer-Hd Screw, Clmtk, Star-Qty:100