Spi Z9620SS Test Indicator Universal Clamp

Product Description

The SPI Z9620SS is a universal clamp accessory designed to secure test indicators that feature a dovetail mounting interface. It provides a stable, repeatable connection between the indicator and a variety of holding arms, magnetic bases, or surface gauge setups. Machinists, quality control technicians, and tool-and-die professionals install this clamp when setting up indicator rigs for runout, flatness, or positional measurements. The part weighs 1 pound and ships as a single unit. Its universal design covers a broad range of dovetail-equipped indicators, making it a practical addition to most metrology setups on the shop floor or inspection bench.

This clamp is suited for use in manufacturing, machining, and precision inspection environments where test indicators must be held rigidly in position. It fits most dovetail-style indicator bodies commonly found in metrology and layout work. Note that this clamp is not compatible with Starrett dovetail indicators. Typical applications include part inspection, fixture setup, and machine tool alignment where a reliable indicator hold is required.

Key Features

• Universal dovetail clamp design fits most dovetail-equipped test indicators
• Not compatible with Starrett dovetail indicators
• Provides a stable, repeatable indicator mount for precision measurement tasks
• Compact and lightweight at 1 pound for easy handling and transport
• Single-piece package — no additional hardware required for basic clamping use

Compatibility

Compatible with most dovetail-equipped test indicators. Not compatible with Starrett dovetail indicators.

Installation Notes

Installation is typically performed by machinists or metrology technicians without the need for specialized tools beyond basic hand tools. Ensure the indicator dovetail and clamp mating surfaces are clean and free of chips or debris before securing. Tighten the clamp fastener snugly to prevent indicator movement without over-torquing the locking mechanism. Verify indicator stability and zero the instrument after mounting before taking measurements.