Tapcon 1/4" x 3-3/4" Blue Concrete Screw, Hex Head - Climaseal | Qty. 100 PA Purlin Anchors 5/16" hex head (replacement driver

5/16" hex head (replacement driver bit — BITHEXR516-R1)

Simpson Strong-Tie Mechanically Galvanized Titen HD Concrete Screw Anchors provide code-listed anchoring strength for interior and exterior applications

This product is intended for use with 12x12 lumber but is also available in other sizes

Optimized thread and point geometry for consistent engagement and reduced stripping

Available in multiple diameters

Tapcon 1/4" x 3-3/4" Blue Concrete Screw, Hex Head - Climaseal | Qty. 100 PA Purlin Anchors 5/16" hex head (replacement driverTapcon Blue Hex Head Concrete Screws are trusted by pros and weekend warriors alike for quick, secure anchoring into concrete, block, or brick. These blue coated screws are built tough to deliver strong holding power without the hassle of anchors, sleeves, or inserts. The hex head design offers a reliable grip for fast driving and a flush finish. Whether you're installing electrical boxes, securing furring strips, or mounting fixtures to masonry,