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A510001 Mega-Swivel Concrete Anchor

Werner Mega-Swivel Steel anchor is a robust anchorage bolt for use in concrete applications. The bolt requires a pre-drilled hole of 3/4in and 4.5in depth in 3000 psi concrete with minimum concrete thickness of 5in. The D-ring swivel provides a full range of motion at the anchorage.


  • Robust steel design with 360° swivel of the forged D-ring
  • Drill hole of 3/4 in with 4-1/2 in depth
  • Minimum 3000 psi concrete and 5 inch thickness

Package Contents

Part NumberDescription


FeatureSize / Details
Application (General (all purpose), Steel, Concrete, Roof)Concrete
StyleConcrete Bolt
Approx. Shipping Weight Lbs.2.5

Different types of ladders are designed to keep you safe and productive when climbing or standing. Using the wrong style of ladder or simply ignoring the limitations of climbing equipment can result in a fall or serious injury.
Height is referring to the actual ladder height. Extension ladders should be 7 to 10 feet longer than the highest support or contact point, which may be the wall or roof line. The highest standing level is four rungs down from the top. The highest permitted standing level on a stepladder is two steps down from the top.

Reach height is the maximum reach assuming a 5’6” person with a vertical 12” reach.
Ladders are designed to safely hold up to a specific amount of weight. The Werner Performance System defines five different capacities using a color and star rating system. The Duty Rating is defined as the maximum safe load capacity of the ladder. A person’s fully clothed weight plus the weight of any tools and materials that are carried onto the ladder must be less than the load capacity.

Werner offers ladder made from fiberglass and aluminum. Each material has characteristics which make it best for certain applications, or one material may simply fit the personal preferences of the user. For example, if working around electricity users should select fiberglass products due to their non-conductive side rails.