“3/16 x 3-1/2 Tapcon with Flats For Concrete Screws” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × 22.00 mm x 21" Overall Length 4-Tip SDS-Max Viper Head Quad Cutter Drill $145.99 Quantity $145.99 × 3/16 x 3-1/2 Tapcon with Flats For Concrete Screws $4.99 Quantity $4.99 Coupon: Apply coupon Update cart Cart totals Subtotal $150.98 Shipping Enter your address to view shipping options. Calculate shipping Country / region Select a country / region… United States (US) State / County City: Postcode / ZIP: Update Tax $0.00 Total $150.98 Proceed to checkout