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The GIBRALTAR G10-0091-C is a female insert lever knob designed for use as a manual control handle on machinery, equipment panels, and industrial fixtures. The knob features a 1.625-inch head diameter and a 0.875-inch hub diameter, with a 0.5-13 inch threaded female insert hole for secure fastening onto a male-threaded shaft or stud. The overall height is 2.5 inches, and the insert hole depth is 0.625 inches. This hardware component is installed by machinists, maintenance technicians, and equipment assemblers wherever a hand-operable grip is needed on a threaded fastener point.
This lever knob is suited for light industrial and commercial equipment applications, including machine tool controls, fixture handles, adjustment knobs on panel assemblies, and general-purpose equipment mounting scenarios. The female insert design allows the knob to thread directly onto an existing stud or bolt, making it a practical choice for retrofits and OEM assembly work. It is commonly used in manufacturing, shop equipment, and mechanical panel applications where reliable hand-tightening is required.
Designed as an OEM-style replacement or assembly component for equipment and fixtures using a 0.5-13 inch threaded female insert lever knob mount configuration.
Installation is performed by threading the female insert of the knob onto a compatible 0.5-13 inch male-threaded shaft or stud. Ensure the mating thread is clean and free of damage before installation. Hand-tighten to the appropriate torque for the application; avoid using power tools that may damage the knob body. Shut down and de-energize any associated equipment before replacing or installing control knobs on active machinery.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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