Tapcon 1/2" x 4" LDT Large Diameter Concrete Screw, Hex Head - 410 Stainless Steel | Qty. 150 (Carton) Quik Drive Wood-To-Steel Systems Use a #3 phillips bit

Use a #3 phillips bit for best grip and torque transfer

these screws provide lasting performance while blending seamlessly with your deck surface

Commonly used in plumbing

If you're hauling fragile goods

Tapcon 1/2" x 4" LDT Large Diameter Concrete Screw, Hex Head - 410 Stainless Steel | Qty. 150 (Carton) Quik Drive Wood-To-Steel Systems Use a #3 phillips bitThe Tapcon LDT 410 Stainless Steel Concrete Screw Anchor is a tough, no nonsense fastener built to secure heavy materials to concrete, brick, or block, without the hassle of sleeves or epoxy. Made from hardened 410 stainless steel, these anchors offer strong corrosion resistance in dry or mildly damp environments like garages, basements, warehouses, and outdoor covered spaces. The cutting threads drive directly into pre drilled holes, creating a