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W-MCG2 - 3-1/2in Screw Size

Product #:  W-MCG2
Congrip Masonry Fastner 3 1/2in, Hilti
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3-1/2in Congrip Masonry Fasteners are design to secure 2in thick EPS Foam Insulation to Masonry or Concrete Block. Easy to install. Use a 5/16in drill bit to drill a pilot hole in the masonry, top fastener into place and tighten screw to secure. Sold in box of 250.