Tapcon self-tapping concrete screws cut their own threads into pre-drilled holes for fast, reliable anchoring in concrete, brick, and block. The blue Climaseal coating resists corrosion in damp masonry environments, and unlike one-shot expansion anchors, Tapcons can be removed and reused.

• Diameter: 1/4"
• Length: 3-3/4"
• Head: Slotted Hex Washer
• Blue Climaseal coating resists corrosion
• Cuts own threads in pre-drilled holes - no expansion sleeve required
• Anchors in concrete, brick, and concrete block
• Removable and reusable
• Pilot hole: 3/16" carbide-tipped masonry bit
• Sold by the box of 100

Installation: Drill a 3/16" pilot hole at least 1/4" deeper than the screw will embed, blow or vacuum out the dust, then drive the screw with a drill or impact driver until the head is seated. Minimum embedment is 1".