Gibraltar G10-0057-D Female Insert Lever Knob

Product Description

The GIBRALTAR G10-0057-D is a female insert lever knob designed for use as a hand-operated control handle on machinery, equipment panels, and industrial assemblies. The knob features a 1-15/16-inch head diameter and a 27/32-inch hub diameter, with a 1/2-13 inch threaded female insert for secure mounting. Overall height is 1-7/16 inches, with a 5/8-inch hole depth. This type of knob is commonly installed by maintenance technicians, machine builders, and equipment service professionals who need a reliable, ergonomic grip point on adjustable or locking mechanisms.

This lever knob is suited for use on industrial equipment, control panels, HVAC damper linkages, and similar mechanical assemblies where hand-adjustable fastening is required. The female insert mount type accepts a standard 1/2-13 threaded stud or bolt, making it compatible with a wide range of light-duty to medium-duty mechanical applications in both commercial and industrial settings.

Key Features

• Female insert mount accepts 1/2-13 threaded fasteners
• 1-15/16-inch head diameter for comfortable hand grip
• 27/32-inch hub diameter for a stable base on mounting surface
• 5/8-inch hole depth provides secure thread engagement
• 1-7/16-inch overall height for low-profile installation

Compatibility

Designed as a replacement or new-installation female insert lever knob for equipment and assemblies using 1/2-13 threaded studs or bolts. No specific model compatibility was provided in the product data.

Installation Notes

Installation is typically performed by maintenance technicians or machine assemblers using standard hand tools. Before installing or replacing this knob, de-energize and lock out the equipment per applicable OSHA lockout/tagout procedures. Thread the knob onto a clean, undamaged 1/2-13 stud and tighten by hand to the appropriate snug fit for the application. Do not overtighten, as this may damage the insert threading.