DeWALT 1/2" x 4" Screw-Bolt+ Screw Anchors, Hex Head, Zinc Plated E-Z Spikes/Menders/Bases the full-carbide head resists heat

the full-carbide head resists heat and prevents breakage for maximum life and productivity

Water-based stearate

Drill Size 3/16 in

T25 6-lobe drive - provides a secure bit fit that reduces cam-out

with a minimum beam curve radius of 51

DeWALT 1/2" x 4" Screw-Bolt+ Screw Anchors, Hex Head, Zinc Plated E-Z Spikes/Menders/Bases the full-carbide head resists heatPowers 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,