Simpson #12 x 3-1/2" Strong-Drive DWP WOOD Screw Flat Head, 305 Stainless Steel PACK:1000 Pk Concealing face screws on first

Concealing face screws on first boards in ipe decks installed with the EB-TY hidden deck fastener system

Concealed connector system - part of a system that includes the CPTZ and CBTZ for fully hidden structural connections

760" head diameter - creates a large bearing area that distributes load effectively and reduces the risk of surface pull-through

These nails feature a smooth shank with a diamond point

Strong-Drive SDS Heavy-Duty Connector screws for immediate installation

Simpson #12 x 3-1/2" Strong-Drive DWP WOOD Screw Flat Head, 305 Stainless Steel PACK:1000 Pk Concealing face screws on firstThe Simpson Strong Drive DWP Wood Screw in #12 x 3 1 2", Type 305 Stainless Steel with a Flat Head is a load rated structural fastener engineered for deck, dock, boardwalk, and general exterior applications where reliable corrosion resistance and certified performance are required. Designed with a sharp point and unique box threads, this exterior wood screw delivers superior pull through, shear, and withdrawal resistance making it a trusted choice for