DeWALT 1/2" x 4" Screw-Bolt+ Screw Anchors, Hex Head, Zinc Plated PACK:50 Pk The bolt spacing is designed

The bolt spacing is designed to meet NDS code requirements to ensure optimal performance

helping distribute beam loads effectively across the connection

Tolerance test sheet included for documented verification of machine accuracy at time of manufacture

The shank is also designed to withstand the swelling and shrinkage common with fast-growth lumber

this holdown is ideal for exterior and treated-wood environments

DeWALT 1/2" x 4" Screw-Bolt+ Screw Anchors, Hex Head, Zinc Plated PACK:50 Pk The bolt spacing is designedPowers Fasteners PFM1411420 1 2" x 4" High Performance Concrete Anchor Screw The Screw Bolt+ High Performance Screw Anchor is a one piece, heavy duty screw anchor with a finished hex head or flat head (countersunk). Suitable base materials include normal weight concrete, sand lightweight concrete, concrete over steel deck, concrete masonry and solid clay brick. It is simple to install, easy to identify and fully removable. The patented thread design,