Gibraltar KN6X-8X-B5----- Ball Knob 39/64 in Black

Product Description

The GIBRALTAR KN6X-8X-B5----- is a black polypropylene ball knob designed for use as a hand-operated control grip on threaded fasteners and adjustable assemblies. The knob measures 39/64 inches (0.61 inches decimal) in diameter and 1.52 inches in height, with a hub diameter of 3/4 inches and a hole depth of 0.71 inches. The ball-style grip profile allows for easy torque application by hand without tools. Constructed from polypropylene, it resists common shop chemicals and moisture. Technicians, maintenance personnel, and assembly workers install these knobs on machine controls, jigs, fixtures, and equipment panels where frequent manual adjustment is needed.

This ball knob is suited for light industrial, commercial, and trade applications where a low-profile, hand-operable fastener grip is required. It is compatible with multiple thread sizes, making it a versatile replacement or upgrade for existing assemblies. Typical installation scenarios include panel-mounted controls, adjustable guards, and equipment access covers in HVAC, electrical, and general mechanical service environments.

Key Features

• Ball grip style for comfortable hand torque without tools
• Polypropylene construction resists moisture and common chemicals
• Compatible with multiple thread sizes: 3/8-16, 3/8-24, 1/2-13, 1/2-20, M10, and M12
• Compact profile: 39/64 inch diameter, 1.52 inches height, 0.71 inch hole depth
• Black color for standard industrial appearance
• Lightweight at 0.4 pounds per unit

Compatibility

Designed to fit threaded fasteners in sizes 3/8-16, 3/8-24, 1/2-13, 1/2-20, M10, and M12, making it suitable as a direct replacement or new installation on a wide range of mechanical assemblies and equipment panels.

Installation Notes

Installation requires no special tools beyond hand tightening in most applications. Confirm the mating thread size and pitch before installation to ensure proper engagement with the hub. Depressurize or de-energize any system before servicing components the knob will control. Do not exceed the hand-tightening torque appropriate for polypropylene to avoid cracking the hub.