Gibraltar G10-0135 Ball Knob 1 Inch 1/4-20 Female Insert

Product Description

The GIBRALTAR G10-0135 is a phenolic ball knob with a female insert mount designed for use on threaded fasteners and control applications. It features a 1-inch diameter smooth-grip sphere in black phenolic, a 1/4-20 female thread insert with a 3/8-inch hole depth, and an overall height of 29/32 inch. The hub measures 39/64 inch in diameter. Phenolic construction provides durability and resistance to moderate heat and chemicals. This knob is installed by maintenance technicians, machine builders, and industrial equipment assemblers wherever a low-profile, finger-operable control knob is needed.

The G10-0135 is suited for use on jigs, fixtures, machine guards, control panels, and light industrial equipment. The female insert style threads directly onto a male-threaded stud or bolt, making it a common choice for adjustable clamping and positioning applications. The smooth grip surface is appropriate for environments where a clean, snag-free profile is preferred.

Key Features

• Female insert mount accepts 1/4-20 threaded studs or bolts
• 1-inch diameter phenolic ball knob for finger-operated control
• Hole depth of 3/8 inch accommodates standard stud engagement
• Smooth grip style with no knurling or lobes for a clean profile
• Black phenolic material offers moderate chemical and heat resistance

Compatibility

Designed as an OEM-style or aftermarket replacement ball knob for equipment using 1/4-20 female insert knobs in industrial, fixture, and machine control applications.

Installation Notes

Installation requires a male-threaded 1/4-20 stud projecting no more than 3/8 inch into the knob insert. Thread the knob onto the stud by hand until snug. Avoid using power tools to drive the knob, as over-tightening can crack the phenolic body. Confirm the mating thread is clean and free of burrs before installation.