Powers 7427SD1-PWR Concrete Wedge Anchor 1/2" X 8-1/2" Zinc Plated

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Powers 7427SD1-PWR Concrete Wedge Anchor 1/2" X 8-1/2" Zinc Plated

The Power-Stud+ SD1 anchor is a fully threaded, torque-controlled, wedge expansion anchor which is designed for consistent performance in cracked and uncracked concrete. Suitable base materials include normal-weight concrete, lightweight concrete, concrete over steel deck and grouted concrete masonry. The anchor is manufactured with a zinc plated carbon steel body and expansion clip for premium performance. Nut and washer are included.


  • Consistent performance in high and low strength concrete
  • Nominal drill bit size is the same as the anchor diameter
  • Anchor can be installed through standard fixture holes
  • Length ID code and identifying marking stamped on head of each anchor
  • Anchor design allows for follow-up expansion after setting under tensile loading
  • Package Quantity of 25 pieces -Sold per piece


  • Structural connections, i.e., beam and column anchorage
  • Safety-related attachments
  • Barriers and guards
  • Fencing and railing
  • Mezzanines and racking
  • Tension zone applications, i.e., cable trays and strut, pipe supports, fire sprinklers
  • Trapeze / overhead utilities
  • Ledgers, angles and brackets
  • Equipment anchorage
  • Seismic and wind loading (SDC A - F)

Approvals and Listings:

  • International Code Council, Evaluation Service (ICC-ES), ESR-2818 for cracked and uncracked concrete
  • International Code Council, Evaluation Service (ICC-ES), ESR-2966 for masonry
  • Code compliant with the 2021 IBC/IRC, 2018 IBC/IRC, 2015 IBC/IRC, and 2012 IBC/IRC
  • Tested in accordance with ACI 355.2/ASTM E488 and ICC-ES AC193 for use in structural concrete under the design provisions of ACI 318 (-19 or -14) Chapter 17 or ACI 318 Appendix D
  • Evaluated and qualified by an accredited independent testing laboratory for recognition in cracked and uncracked concrete including seismic and wind loading (anchor Category 1)
  • Tested in accordance with ASTM E488 and ICC-ES AC01 for use in masonry
  • City of Los Angeles, LABC and LARC Supplement (within ESR-2818 and ESR-2966)
  • Florida Building Code, FBC Supplement including HVHZ (within ESR-2818 and ESR-2966)
  • Underwriters Laboratories (UL Listed) - File No. EX1289, see listing for sizes
  • FM Approvals (Factory Mutual) – see FM Approval Guide for sizes


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