Product Info Catalog Hardware Fasteners Screws Masonry Screw Anchors With Bit, Hex Head, 1/4 x 3.25-In., 100-Pk. Request a Quote UPC: 08236385618 SKU: 724450 Model Number: 375297 Rawl, 100 pack, 1/4" x 3-1/4" hex washer head tapper concrete screw anchor with bit, blue perma-seal coating, 1-3/4" embedment, ultimate tension 4,000 psi concrete 2,330 lb, ultimate shear 4,000 psi concrete 2,390 lb.