GRK Scientifically proven to out perform traditional screws. Patented designs for no pre-drilling . Patented Climatek all weather coating . May be used for Lag screw replacement. Built-in washer.
GRK 10221 Rugged Structural Screw, #5/16 X 3-1/8
Original price was: $287.99.$199.20Current price is: $199.20.
Sale!74 in stock
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