Starrett 579 Telescoping Hole Gauge Radius Self‑Centering 0‑6in

Description

Product Overview

The Starrett 579 Telescoping Hole Gauge is engineered for precise measurement of holes, slots, and recesses up to 6 inches (150 mm). Each gauge features a precision‑ground radius that provides two‑point contact, ensuring repeatable accuracy. Constructed from high‑grade steel, the tool offers durability for demanding industrial environments. Dimensions are compact at 3.9 × 3.9 × 0.6 inches and it weighs only 1.6 ounces, making it easy to handle.

Usage

Ideal for machinists, quality‑control inspectors, and maintenance technicians, this gauge excels in measuring bore diameters, slot widths, and recessed features on machinery, tooling, and fabricated parts. Its telescoping design allows quick adjustment to the required size, and the self‑centering handles keep the contact points aligned, reducing user error in shop‑floor or laboratory settings.

Why Choose Us

Starrett’s legacy of precision tooling dates back to 1880, and the 579 model continues that tradition with rigorous quality control and material selection. The gauge is backed by a reputation for reliability, and Starrett provides responsive customer support and warranty service to ensure long‑term satisfaction.

Key Features

• Precision‑ground radius delivers two‑point contact for accurate measurements.
• Self‑centering handles keep plungers aligned, minimizing user error.
• Telescoping design covers a range from 0 to 6 inches, reducing the need for multiple tools.
• Durable steel construction resists wear in harsh industrial environments.
• Starrett customer support and warranty provide peace of mind after purchase.

FAQ

What size range does the gauge cover?

The Starrett 579 measures holes, slots, and recesses from 0 up to 6 inches (150 mm).

How does the self‑centering feature work?

The handles are rigidly attached to the contact plungers; as you apply pressure, they automatically align the plungers to the center of the feature being measured.

Is the gauge suitable for high‑precision applications?

Yes, the precision‑ground radius and two‑point contact design provide consistent, repeatable results for critical measurement tasks.

Can I use this gauge on non‑metal materials?

Absolutely; the gauge works on a variety of materials including plastics, composites, and wood, as long as the surface is accessible for the plungers.

What warranty does Starrett offer?

Starrett provides a standard limited warranty covering manufacturing defects, along with access to their technical support team for any usage questions.