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Double Expansion Anchors

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Product Sizes & Pricing     Purchase Double Expansion Anchors

Use with the following base materials:
Concrete Brick Stone Block
Applications:
Medium to heavy duty loads under dead, variable or vibratory loads.

Features of Double Expansion Anchors:

  • The anchor size is determined by the diameter of the bolt that is inserted into the anchor.
  • Size Range : 1/4" - 3/4" bolt diameter
  • Material specification: Zamac 5 alloy
  • Work well in most materials, even soft masonry and mediums of questionable strength.
  • Machine threaded bolt use to expand anchor.
  • Holding value unaffected of bolt is removed and replaced
  • Made of zinc alloy, is entirely rust-resistant
  • One-piece design
  • Anchor size refers to diameter of bolt to be used with anchor
  • Bolts are UNC machine threads.

Anchor Method:
The expansion anchor creates a firm hold as the two-expander cones at each end of the anchor pull toward each other. High stress points are eliminated during expansion and stress is distributed the full length of the anchor body.

Also known as:
Double expansion shield DMSA
Keystone double Machine screw anchor
Double Thunderloc  

Installing a Double Expansion Anchor
Follow these easy steps to install double expansion anchors into concrete, brick, stone, or block.

Technical Specifications
View anchor-specific information, ranging from diameter to depth of embedment, for our variety of double expansion anchors.

Frequently Asked Questions
Want to find out more about our double expansion anchors? See what others have been asking about the product and read our responses.

Product Pricing
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Purchase Double Expansion Anchors
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Questions about purchasing online? Please feel free to call us at: 1.800.966.9617.

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