In SUNJ shear bolt connectors, the bolt serves not merely as a fastener but as a critical structural component that ensures secure conductor clamping, precise torque control, and installation stability.
We currently offer two bolt options tailored to specific project requirements: plated brass bolts and tinned aluminum bolts.
Regarding electrical conductivity, plated brass bolts rely on a stable metallic base; the surface plating helps maintain contact stability. Tinned aluminum bolts emphasize material compatibility with the tinned aluminum connector body and aluminum conductors; the tin coating improves contact quality and mitigates the impact of pre-installation surface oxidation.
In terms of mechanical strength, plated brass bolts are ideal for projects prioritizing clamping force, structural integrity, and long-term fastening stability. Tinned aluminum bolts offer excellent compatibility with the connector body, making them suitable for applications requiring reduced overall weight, material uniformity, and ease of on-site installation.
Regarding torque response, both bolt types are designed for controlled-torque shearing. Plated brass bolts provide clear tactile feedback during tightening, making them suitable for installations where consistent torque feel is important. Tinned aluminum bolts maintain their shear logic within a lightweight structure, shearing cleanly once the design torque is reached to provide installers with a clear signal of completion.
Regarding application suitability, plated brass bolts are best for projects with specific requirements for mechanical strength, torque stability, and installation feedback. Tinned aluminum bolts are ideal for aluminum conductor connections, lightweight product solutions, and projects seeking material consistency between the connector body and the bolts.
These options are not intended to rank one as superior to the other; rather, they provide customers with the most suitable choice based on conductor type, installation practices, and engineering requirements.
SUNJ’s goal remains constant: to ensure that every shear bolt connector delivers clear, stable, and repeatable fastening results during on-site installation.
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