Gibraltar 85548683 Clamp Rest Support 1/4-20

Product Description

The GIBRALTAR 85548683 is a clamp rest support designed for secure workholding and fixturing applications. Constructed from steel with a lead alloy component, it features a 1/4-20 thread and measures 1-1/4 inches in overall length. The black oxide coating provides corrosion resistance and reduces light reflection in precision work environments. This hardware component is installed by machinists, toolmakers, and fixture builders working with clamps, vises, and workholding setups on machine tools and assembly fixtures. The 7/16-inch size designation and integrated pin allow it to seat and register clamp assemblies accurately.

This clamp rest support is suited for use in machine shops, toolrooms, and manufacturing environments where adjustable or fixed clamp support is required. It is appropriate for both light-duty and moderate-load fixturing scenarios. The compact form factor and standard 1/4-20 thread make it compatible with common clamp and stud systems used in milling, drilling, and grinding setups. A thread length of 29/32 inches ensures adequate engagement depth in standard fixture plates and T-slot hardware.

Key Features

• 1/4-20 thread for compatibility with standard clamp stud and fixture hardware
• Black oxide finish for corrosion resistance and reduced glare in precision environments
• Steel and lead alloy construction for durability and controlled weight distribution
• Pin diameter of 5/32 inches and pin height of 5/64 inches for accurate clamp registration
• 29/32-inch thread length provides reliable engagement in fixture plates
• Compact 1-1/4-inch overall length suits tight fixture clearances

Compatibility

Designed as a standard 1/4-20 threaded clamp rest support for use with conventional workholding clamp assemblies in machine shop and fixturing applications.

Installation Notes

Installation is performed by machinists or toolroom technicians using standard hand tools appropriate for 1/4-20 fasteners. Ensure the mating fixture plate or clamp body is free of debris before threading in the support. Do not overtighten, as lead alloy components can be damaged by excessive torque. Power down and lock out any machine tool before adjusting fixturing hardware on the work table.