CSD Split-Drive Anchor - The Woodshed

CSD Split-Drive Anchor

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The Split-Drive anchor is a one-piece expansion anchor that can be installed in concrete, grout-filled block and stone. As the anchor is driven in, the split-type expansion mechanism on the working end compresses and exerts a force against the walls of the hole.

Key Features

  • Available in countersunk (CSD) styles


  • Carbon steel


  • Zinc plated; mechanically galvanized


  1. Drill a hole in the base material using a 1/4"-diameter carbide-tipped drill. Drill hole to specified embedment depth and blow clean using compressed air. (Overhead installation need not be blown clean.) Alternatively, drill a hole deep enough to accommodate embedment depth and dust from drilling. Position fixture and insert split-drive anchor through fixture hole.
  2. For CSD, a 3/8"-diameter fixture hole is recommended for hard fixtures such as steel. 
  3. Drive anchor until the head is flush against the fixture.


Oversized holes in the base material will greatly reduce the anchor’s load capacity. For CSD, embedment depths greater than 1 1/2" may cause bending during installation.


Industry studies show that hardened fasteners can experience performance problems in wet or corrosive environments. Accordingly, use these products in dry, interior, and non-corrosive environments only.

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