Simpson GDP-75KT 3/4" Concrete Pins w/Fuel Cell, Pkg 1000 HGUS/HHUS Heavy Face Mount Hangers these screws feature a square-drive

these screws feature a square-drive recess for slip-free engagement that reduces cam-out and speeds up installation

Its heavy-gauge steel construction ensures exceptional lateral and vertical load performance

making it suitable for both interior and exterior applications

Material and Finish: Made from 316 Stainless Steel for durability and corrosion resistance

Easy Installation: Works with Outdoor Accents structural screws and hex-head washers

Simpson GDP-75KT 3/4" Concrete Pins w/Fuel Cell, Pkg 1000 HGUS/HHUS Heavy Face Mount Hangers these screws feature a square-driveSimpson Strong Tie GDP concrete pins are designed to work with the GCN MEPMAG gas actuated concrete nailer as well as with most major brand gas actuated concrete nailer tools. The patented 10 fastener strip is designed with break away plastic. The pins are designed for use in A36 and A572 steel, concrete, CMU block and sand lightweight concrete over metal deck. Every box of GDP concrete pins comes with 1 GFC34 Fuel Cell.