Large Diameter Lockbolt Tooling is designed to support the reliable installation of large diameter lockbolts in heavy‑duty structural applications. Profast stocks complete system components including power rigs, hydraulic hoses, pulling heads (tools) and interchangeable nose assemblies to suit different pin and collar combinations. Built for durability and consistent performance, this tooling delivers controlled installation, repeatable clamp force and dependable results in construction, transport, mining and heavy fabrication environments.