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Dynabolt

Dynabolts are a type of sleeve anchor made of steel that is pre-assembled with an expander, nut, and washer. When the nut is torqued, the expander allows the split expansion sleeve to expand and grip the base material securely. They are available in various sizes and finishes, with zinc plated carbon steel commonly used indoors to reduce corrosion. Dynabolts provide a high-strength fastening option that requires less insertion force than other anchors due to their ability to be hammered into place.

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52 views3 pages

Dynabolt

Dynabolts are a type of sleeve anchor made of steel that is pre-assembled with an expander, nut, and washer. When the nut is torqued, the expander allows the split expansion sleeve to expand and grip the base material securely. They are available in various sizes and finishes, with zinc plated carbon steel commonly used indoors to reduce corrosion. Dynabolts provide a high-strength fastening option that requires less insertion force than other anchors due to their ability to be hammered into place.

Uploaded by

john dale ibale
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Dynabolt

Dynabolts are a universal, medium-duty through fastening for masonry and concrete made of
steel. It is one of the varieties of sleeve anchors that has an integral expander, nut, and washer
over a threaded stud bolt body with a split expansion sleeve on top. When torque is applied to
the nut or screw, an internal expander allows the expansion sleeve to expand and firmly grip the
hole. This anchors it to the base material.
Dynabolts are pre-assembled and have a high loading capacity. They are also available in a
variety of sizes & finishes.

Material: Zinc Plated Carbon Steel


This specific dynabolt uses a zinc plating finish, also known as electro-galvanizing, is the
application of zinc using an electrical current. Although it has a thin coating, it does some rust
prevention, although not as well as hot dip galvanizing. Zinc plating’s primary benefits are lower
prices and simplicity of welding.

Carbon steel is steel with carbon content from ~0.05 to 2.1% by weight.

Zinc plated dynabolts are commonly used in scenarios such as:


 Shelf ledgers
 electrical boxes
 Conduit
These anchors are primarily utilized indoors (to reduce corrosion), and there is little corrosion
present.
Key Features
A dynabolt’s primary benefit is that it is a high-performance anchor that requires little insertion
energy for fast mounting. The fastener can be installed using less force than necessary because
to its ability to be hammered in. The ideal contact between the screw shank and anchor sleeve
also allows for a high shear stress resistance, and friction locking is used to securely engage
the loads into the base material.
 Anchor diameter equals hole diameter
 Available 1/4 – 1” diameter & 2” to 6 1/4” length
 Different materials for different applications: Zinc plated carbon steel and 304 stainless
steel
 Zinc plated carbon steel offers decent rust protection indoors
 Provides full 360° hole contact over large area and reduces concrete stress
 Heavy-loading capacity
 Preassembled for faster & easier installations
 Can be installed through object to be fastened
 Sleeve design improves holding power to base material
 No pre-spotting of holes necessary
Common Applications
 Anchoring into concrete, hollow concrete block, & grout-filled concrete block
 Anchoring to brick base materials.
 Timber to concrete, form work, battens, bottom plates
 Services – ductwork, pipes brackets, cable trays, suspended ceilings.
 Metalwork – signs, hand rails, gates.

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