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Wedge-All® Wedge Anchor

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The Wedge-All wedge-style expansion anchor is intended for use in solid concrete or grout-filled masonry. This anchor is best suited in installations where a building code approval for seismic and cracked/uncracked concrete is not required. Threaded studs are set by tightening the nut to the specified torque.

Key Features

  • One-piece, wrap-around clip ensures uniform holding capacity
  • Threaded end is chamfered for ease of starting nut
  • Available in a wide range of diameters and lengths


  • Carbon or stainless steel (Types 303/304; Type 316)


  • Carbon steel anchors are available zinc plated or mechanically galvanized


  1. Drill a hole in base material using a carbide drill bit the same diameter as the nominal diameter of the anchor to be installed. Drill the hole to the specified embedment depth, and blow it clean using compressed air. (Overhead installations need not be blown clean.) Alternatively, drill the hole deep enough to accommodate the embedment depth and the dust from drilling.
  2. Assemble the anchor with nut and washer so the top of the nut is flush with the top of the anchor. Place the anchor in the fixture, and drive it into the hole until the washer and nut are tight against the fixture.
  3. Tighten to the required installation torque.
Wedge-All Diameter (in.) Drill Bit Size (in.) Min. Fixture Hole (in.) Wrench Size (in.)
1/4 1/4 5/16 7/16
3/8 3/8 7/16 9/16
1/2 1/2 9/16 3/4
5/8 5/8 11/16 15/16
3/4 3/4 7/8 1 1/8
7/8 7/8 1 1 5/16
1 1 1 1/8 1 1/2
1 1/4 1 1/4 1 3/8 1 7/8


  • Do not use an impact wrench to set or tighten anchors
  • Oversized holes in the base material will make it difficult to set the anchor and will reduce the anchor’s load capacity
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