Technical Data

Below is a condensed version of the technical data table for all BoxBolt models that we carry. Download the BoxBolt data sheet for a complete list of technical spefications.

Model Bolt Dia. Clamping Range Available Strength Hole Size Dia.
BQ1Z06* 1/4" 1/8" 7/8" 2872 4793 7/16"
BQ1_08 5/16" 3/16" 1" 5071 5917 9/16"
BQ2_08 5/16" 11/16" 1-13/16" 5071 5917 9/16"
BQ3_08 5/16" 1-3/16" 2-5/8" 5071 5917 9/16"
BQ1_10 3/8" 3/16" 7/8" 9718 10985 3/4"
BQ2_10 3/8" 11/16" 1-11/16" 9718 10985 3/4"
BQ3_10 3/8" 1-3/8" 2-1/2" 9718 10985 3/4"
BQ1_12 1/2" 3/16" 1" 13015 12676 13/16"
BQ2_12 1/2" 3/4" 2" 13015 12676 13/16"
BQ3_12 1/2" 1-9/16" 2-3/4" 13015 12676 13/16"
BQ1_16 5/8" 3/16" 1-3/8" 26199 29578 1-1/16"
BQ2_16 5/8" 1-3/16" 2-3/8" 26199 29578 1-1/16"
BQ3_16 5/8" 2-3/16" 3-1/8" 26199 29578 1-1/16"
BQ1_20 3/4" 5/16" 1-5/8" 36932 33804 1-5/16"
BQ2_20 3/4" 1-3/8" 2-13/16" 36932 33804 1-5/16"
BQ3_20 3/4" 2-9/16" 4" 36932 33804 1-5/16"


The following data sheets contain dimensional and load information.

BoxBolt Data Sheet
PDF
Full BoxBolt Catalog
PDF


The First Blind Fastener To Achieve
ICC Testing And Approval


The ESR-3217 approval document has been published on the ICC web site. For a complete list of testing criteria and load ratings, download the Box Bolt catalog.

Order ICC Approved Blind Fasteners

Some Specification Considerations

Clamping Range

The clamping range of the BoxBolt connector is the combined thickness of the steel being connected and the steelwork being connected to. Each diameter of the BoxBolt connector has three overlapping lengths designed to accommodate a wide range of material thicknesses. If your clamping range exceeds those stated above, special lengths are available.

Download the catalog for a complete table of clamping ranges for each bolt.

Hole Dimensions & Positioning

The clamping range of the BoxBolt connector is the combined thickness of the steel being connected and the steelwork being connected to. Each diameter of the BoxBolt connector has three overlapping lengths designed to accommodate a wide range of material thicknesses. If your clamping range exceeds those stated above, special lengths are available.

Download the catalog for a complete table of clamping ranges for each bolt.


Download BoxBolt Catalog

BoxBolt Catalog

All of the important details about BoxBolt in a print-friendly format. The BoxBolt catalog contains technical data, installation tips, and a detailed cost analysis.

Download the Catalog

Installation Examples

Application Examples

BoxBolt connectors are used here to secure a bracket to structural tube.
Structural tube to structural tube sections being connected with an angle bracket.
Structural tube with drilled end plate being connected to vertical structural tube.
The core bolt down the center of the BoxBolt connector can be replaced with threaded rod, eyebolts or other threaded items.
By inserting one structural tube inside another, a sleeve connection can be easily made using the BoxBolt connector.
The BoxBolt connector is suitable for most profiles of structural tube, including circular sections.
The BoxBolt connector can be used with other BeamClamp products to connect structural tube sections to existing steel without the need for site drilling and welding.
The BoxBolt connector can be used to secure glazing panel brackets to building structures with access only required from one side.
The BoxBolt connector can be used to connect any bracket, such as the mounting plate of handrails to structures, with access only required from one side.
Box Bolt Expansion Anchors

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Learn about the technical specifications and how to install BoxBolt blind bolt fasteners.
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