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The GIBRALTAR GLH-559-G is a Type C gear lever with a taper end, designed for manual clamping and positioning applications in industrial and mechanical assemblies. The lever features a stainless steel shaft measuring 0.47 inches in diameter and 3.15 inches in length, paired with a phenolic knob that measures 1.38 inches in diameter and 2.09 inches in length. The M12x1.75 threaded stem provides a 0.63-inch thread engagement length, and the overall handle length is 5.24 inches. This hardware component is installed by machinists, maintenance technicians, and industrial equipment assemblers working with fixtures, jigs, and machine tool setups.
The GLH-559-G suits applications requiring a firm, ergonomic grip point on threaded shafts in production machinery, automation equipment, and mechanical fixtures. The taper end shaft configuration allows use in setups where clearance or engagement geometry requires a tapered profile. Its stainless steel shaft construction makes it appropriate for environments exposed to light moisture or corrosive conditions. Single-piece packaging makes it a direct replacement or add-on component for individual fixture builds or maintenance repairs.
Designed as an OEM-style or replacement gear lever for industrial machinery, fixtures, and mechanical assemblies using M12x1.75 threaded shaft hardware.
Installation is performed by machinists or maintenance technicians using standard hand tools. Verify thread engagement depth and ensure the M12x1.75 mating thread is clean and free of damage before installation. Power down and de-energize any equipment before servicing components in the assembly. Do not overtighten, as phenolic knob materials can crack under excessive torque.
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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