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The GIBRALTAR G10-0025CZ is a phenolic ball knob with a female insert mount, designed for use as a hand-control knob on threaded shafts, levers, and adjustment mechanisms in industrial, mechanical, and equipment-maintenance applications. The knob measures 1-1/4 inches in diameter and 1-1/4 inches in height, with a 1/4-20 female threaded insert for direct mounting onto standard threaded fasteners. The phenolic construction provides solid grip durability under repeated manual operation. The smooth grip surface and red color make it easy to identify and operate on control panels and machine assemblies.
This ball knob is suited for use on jigs, fixtures, machine tools, and general industrial equipment where a compact, hand-operable control point is needed. It fits standard 1/4-20 threaded shafts and studs, making it a common replacement or upgrade knob in manufacturing, maintenance, and equipment-assembly environments. The red color is often used in applications where visual identification of a specific control is important. Electricians, millwrights, and equipment maintenance technicians are the typical installers.
Designed as an OEM-style replacement or direct-fit hand knob for equipment and machinery using 1/4-20 threaded shafts or studs requiring a 1-1/4 inch diameter ball-style control knob.
Installation is performed by threading the knob directly onto a 1/4-20 threaded shaft or stud by hand. Power down or de-energize any equipment before servicing control mechanisms. Verify the shaft thread pitch matches 1/4-20 before installation to avoid cross-threading or stripping the insert. No special tools are required for standard hand-knob installation.
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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