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Anchoring  
Working Principles
  
   
TYPES OF ANCHORS

 

The Inside
Story About
Mechanical
and Adhesive
Anchors

Types, Base Materials,
Installation Procedures
and More

Expansion Type—

Tension loads are transferred to the base material through a portion of the anchor that is expanded inside the drill hole.

Examples: Red Head Trubolts, Dynabolts, Multi-Set II Anchors and Hammer-Sets

Adhesive Type—

Resistance to tension loads is provided by the presence of an adhesive between the threaded rod (or rebar) and the inside walls of the drill hole.

Examples: A7, C6, G5

Keying Type

Holding strength comes from a portion of an anchor that is expanded into a hollow space in a base material that contains voids such as concrete block or brick.

Examples: Adhesives used in screen tubes or umbrella insert

Friction Type

Load capacity is created by driving a fastener into a pre-drilled hole that is slightly smaller than the fastener itself.

Examples: Redi-Drives

Mechanical Interlocking Type

Tension loads are resisted by threads on the fastener engaging with threads cut into the base material.

Examples: LDT, Tapcon and E-Z Ancors

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ITW Red Head • 2171 Executive Drive • Addison, IL 60101 • 630-350-0370
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