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Wedge Anchor Installation Instructions

Wednesday, February 9, 2011

Purchase Wedge Anchors

Wedge anchor installation is specified by the manufacturer of the wedge anchor being installed.  Every manufacturer has installation steps that are similar since all threaded wedge anchors require the same installation procedures.

Concrete Fasteners, Inc. - Wedge Anchor Installation

Wedge Anchor Installation Video

  1. Drill a hole in the concrete using a hammer drill in the hammer mode, using a carbide tipped drill bit that meets ANSI standard B212.15 and is  the same diameter as the diameter of the wedge anchor being installed.
  2. Drill the depth of the hole a minimum of 1/2” deeper than the minimum depth of embedment.
  3. Using a wire brush, compressed air or vacuum. clean the hole of all debris and dust.
  4. Thread nut onto threaded end of wedge anchor. The top of the nut must be flush with the top of the wedge anchor to protect the threads from damage during installation.
  5. Insert wedge anchor, clipped end first, into the predrilled hole in the concrete.  If the wedge anchor is being installed through a hole in a fixture, make sure that the hole diameter is larger than the diameter of the wedge anchor being used.
  6. With a hammer, strike the nutted end of the wedge anchor until a minimum of 6 threads are below the surface of the concrete or the surface of the item being attached.
  7. Using your fingers, tighten the nut.
  8. Take a wrench and turn the nut clockwise 2 to 3 turns or until the proper torque values for the diameter of wedge anchor being used is obtained.

Powers Fasteners – Power-Stud+ ® Installation

  1. Using the proper drill bit size, drill a hole into the base material to the required depth.  The tolerances of the drill bit used should meet the requirements of ANSI Standard B212.15.
  2. Remove dust and debris from the hole
  3. Position the washer on the anchor and thread on the nut.  If installing through a fixture, drive the anchor through the fixture into the hole.  Be sure the anchor is driven to the minimum required nominal depth.
  4. Tighten the anchor with a torque wrench by applying the required installation torque.

Simpson Strong-Tie – Wedge-All® Installation

  1. Drill a hole in the 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 embedment depth and 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 into the hole until washer and nut are tight against the fixture.
  3. Tighten to the required installation torque.

Hilti, Inc
. – Kwik bolt 3 Installation

  1. Hammer drill a hole to the same nominal diameter as the Kwik Bolt 3.  The hole depth must exceed the anchor embedment by at least one diameter.  The fixture may be used as a drilling template to ensure proper anchor location.
  2. Clean hole.
  3. Drive the Kwik Bolt 3 into the hole using a hammer.  The anchor must be driven until at least six threads are below the surface of the fixture.
  4. Tighten the nut to the recommended installation torque


Always use personal protective equipmentAs with any anchoring project, it is important to keep safety in mind and follow instructions carefully. Always remember to wear safety goggles, handle all tools with extra care and follow all technical specifications. This article is meant to serve only as a basic explanation of concrete fasteners. Always refer to manufacturer's instructions or consult a contracting expert during any anchoring project.

Article Written By:
Mike Pistorino, Vice-President Operations





Concrete Fasteners, Inc. has over 40 years of experience selling concrete fasteners. We can ship out one box or a whole pallet of concrete anchors. Our products are of the highest quality... "your satisfaction is guaranteed". We ship all orders the same day the order is received.

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