ELCO UltraCon Concrete Screws: 1/4 x 1-3/4, Flat Head, Blue Stalgard Finish, Box of 100 simpwedge and are virtually immune to

and are virtually immune to delayed embrittlement failures

just press fuel eject button

Requires less adhesives - can be used in 1/16" oversized or 1/8" oversized holes

Comparable performance values

High strength and ductility

ELCO UltraCon Concrete Screws: 1/4 x 1-3/4, Flat Head, Blue Stalgard Finish, Box of 100 simpwedge and are virtually immune toThe 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