---
title: Concrete Wedge Insert | Relieving Angle Insert | Malleable Iron Insert
description: Concrete Wedge Inserts are used for hanging Relieving Angles, Shelf Angles and Lintels. Wedge Inserts use Askew Bolts or Askew Head Bolts.
---

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# Wedge Insert Review

 

Wedge Insert – General Installation Review

Wedge Inserts are also referred to as: Relieving Angle Insert, Shelf Insert, Malleable Iron Insert, Concrete Wedge Insert.

**NOTE: These diagrams are intended as a general review and are not to be used as installation instructions. The Installer should contact the project manager for requirements regarding the installation of Wedge Inserts, Askew Head Bolts and Relieving Angles.**

**Page 5**

Shims will be required to compensate for deviations in the structure. 

Again, the size and composition of the shims should be determined by the project manager. They should be slotted to minimize the chance of the shim coming loose or walking. For a 3/4" diameter Askew Head Bolt, the slot should be 13/16" wide. [(See Shim Listings)](https://www.thesteelsupplyco.com/shims/shims/)

 

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