Spi 100-103-02 Test Indicator Holder 3/8 Inch Shank

Product Description

The SPI 100-103-02 is a test indicator holder designed to secure measuring instruments with a 3/8 inch shank. It provides a stable mounting point for dial test indicators and similar instruments during precision measurement tasks. Machinists, quality control technicians, and toolroom professionals use this holder to position indicators accurately on machine tools, surface plates, and inspection fixtures. The holder weighs 0.3 pounds, making it easy to handle and position without adding significant mass to the setup.

This holder is suited for use in machine shops, manufacturing environments, and inspection stations where repeatable indicator positioning is required. It accepts 3/8 inch shank measuring instruments, which is a common shank size found on dial test indicators used in lathe, mill, and CMM setups. It is sold individually as a single unit.

Key Features

• Accepts 3/8 inch shank measuring instruments
• Lightweight at 0.3 pounds for easy repositioning
• Sold as a single unit with no minimum order requirement beyond one piece
• Designed for use in precision measurement and inspection applications

Compatibility

Designed for use with 3/8 inch shank measuring instruments. Confirm shank diameter of your specific dial test indicator or similar instrument before installation.

Installation Notes

A qualified machinist or toolroom technician should mount this holder according to the requirements of the machine tool or inspection fixture in use. Ensure all clamping surfaces are clean and free of chips or debris before securing the holder. Do not overtighten clamping screws, as this may distort the holder or damage the instrument shank. Verify indicator zero and repeatability after any repositioning.