Simpson Strong-Tie T10300WPP "Woodpecker" Hardwood Deck Screw #10" x 3" Concrete / Cement Mixers & Accessories Unlocked by key from outside

Unlocked by key from outside when outer knob is locked by turnbutton on inside knob

Recommended for all roof types

plasterboard and plastics

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Simpson Strong-Tie T10300WPP "Woodpecker" Hardwood Deck Screw #10" x 3" Concrete / Cement Mixers & Accessories Unlocked by key from outside"WOODPECKER" DECK SCREWS Unique 4 corner thread form with raised ridge technology greatly reduces driving torque Highly recommended for seaside applications and maximum corrosion resistance Threaded approximately 2 3 up shank to tightly draw deck board to joist Made of solid 316 stainless steel for maximum corrosion resistance Self countersinking nibs under head insure flush installation 6 lobe drive virtually eliminates driver bit cam out Deck pack