Blind Bolt Testing Data Explained

Blind Bolt is a versatile fixing solution which offers multiple combinations in any particular situation. Different uses can lead to the measured strength of the Blind Bolt varying, however.

The tensile strength of the Blind Bolt is constant, but the shear strength can change in line with the thickness of the materials being fixed.

A summary of the variations involved is set out below, and more detailed information is contained in our technical data sheets.

If you have further questions on the strength and testing of Blind Bolts please get in touch with us. Use the contact details at the bottom of the page or click here to send us an email.

The Tensile Strength

The tensile strength refers to the pull-out force required for the bolt to fail when under the pressure of a tensile load.

The Shear Strength Over Thread

The shear strength over thread refers to a measure of the force required for the bolt to fail if the shear plane in question falls over the bolts threaded section. The ‘shear plane’ referred to is the area covering the materials which the bolt is fixing.

The Shear Strength Over Slot

The shear strength over slot refers to a measure of the force required for the bolt to fail if the shear plane in question falls over the bolts slotted portion. The ‘shear plane’ referred to is the area covering the materials which the bolt is fixing. The slotted portion in question should be found close to the anchor of the bolt if it has been fitted with the correct vertical alignment.

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