Product Info Catalog Hardware Fasteners Screws Tapper Concrete Screw with Phillips Flat Head, 3/16 x 2-3/4-In., 100-Pk. Request a Quote UPC: 08236385670 SKU: 724518 Model Number: 375303 Rawl, 100 pack, 3/16" x 2-3/4" phillips flat head tapper concrete screw with bit, 1-1/2" embedment, ultimate tension 4,000 psi concrete 1,210 lb, ultimate shear 4,000 psi concrete 1,280 lb.