Miami-Dade County Product Control Approved-NOA No
Requires less adhesives - can be used in 1/16" oversized or 1/8" oversized holes
which will reduce the chances for anchor failure due to incorrect bit usage
clamping tines remain in place even if screw is removed
ELCO UltraCon Concrete Screws: 1/4 x 1-3/4, Flat Head, Blue Stalgard Finish, Box of 100 simpwedge Miami-Dade County Product Control Approved-NOAThe Elco UltraCon (Tapcon concrete blue screws) masonry fastening system offers optimal performance in concrete, brick or hollow block whether anchoring electrical boxes, clips, wood headers, plywood, furring strips, insulation, etc. Cold formed, carbon steel anchors, precision cut carbide drill bits and high quality installation tools all work together to provide excellent pull out and shear values. UltraCon screws feature nail points and high low