DeWALT 3/4" x 4" Screw-Bolt+ Screw Anchors, Hex Head, Zinc Plated PACK:60 Pk This space allows the sheathing

This space allows the sheathing to naturally shrink and expand over time due to changes in moisture and temperature

repeatable quill travel with minimal deflection

Distortion- and spark-free cutting

Combined with heat treated and polished lead screws supported by thrust bearings

DeWALT 3/4" x 4" Screw-Bolt+ Screw Anchors, Hex Head, Zinc Plated PACK:60 Pk This space allows the sheathingPowers Fasteners PFM1411720 3 4" 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,