ELCO UltraCon Concrete Screws: 1/4 x 3-1/4, Flat Head, Blue Stalgard Finish, Box of 100 Extinguisher #2 self-drilling point can drill

#2 self-drilling point can drill thicknesses up to

including expansion from within or behind the substrate or even adhesive compounds

Key Features:

These hammer drill bits come with either standard cutter heads or X-CUTTER heads

box of 100 Caution: Always wear eye and ear protection at all times

ELCO UltraCon Concrete Screws: 1/4 x 3-1/4, Flat Head, Blue Stalgard Finish, Box of 100 Extinguisher #2 self-drilling point can drillThe 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