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40 Pack 1/2" x 3" Hex Concrete Screws

  • Item # 2188079
  • Model # 981C
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Fastener Drive Type:


Fastener Diameter (Imperial):


Fastener Length (Imperial):


Fastener Length (Metric):

76.2 MM

Fastener Diameter (Metric):

12.7 MM

The CobraTork heavy duty concrete screw anchor features a raised head for better grip, a notched thread making it easier to cut through the concrete, and cavities designed to collect the debris. Also, the anchor can be easily removed if required. Suitable for all masonry material the one-piece anchor has a finished hex head locking washer mechanism. The chamfered tip makes for easy installation and the screw is heat-treated with corrosion resistant Cobracoat. This pack contains 40 1/2" x 3" hex head concrete screws.

Details + Specification

  • Heavy duty concrete screw anchor
  • Anchor is suitable for all masonry material
  • Removable anchor
  • Higher head design for better grip
  • Cold-form cavity between thread to grasp more debris
  • One-piece with finished hex head locking washer mechanism
  • Heat-treated with corrosion resistant cobracoat
  • Anchor diameter equals drill bit, which simplifies drill bit selection
  • Dented, threaded pattern undercuts for better load transfer to the masonry material
  • Chamfered tip for easy installation
  • 40 pack
  • 1/2" x 3"
Free Shipping to Stores

Free Shipping to Stores

Pick-Up is Easy

Pick-Up is Easy

Free Returns

Free Returns