Starrett Indicator Hole Attachment - 3/8" Range, 13/16" Hole Depth, .375" Stem Hole, 1/8" Diameter Ball End Swivel Arms - 670A

Precise Measurement - Capable of Measuring Hole Depths up to 20mm (13/16"), with a range of approximately 9.5mm (3/8").

Standard Compatibility - Fits All Indicators made to AGD standards, ensuring wide applicability in various measuring tasks.

Secure Clamping - Features a 9.5 mm Diameter Hole for firm attachment, providing stable and accurate measurements.

Versatile Functionality - Designed to Measure the Inside of Holes and other hard-to-reach areas, enhancing measurement capabilities.

The Standard For Excellence - Proudly made in the USA, Starrett combines over 140 years of American heritage and innovation with globally sourced materials to deliver exceptional quality tools and products.

The Starrett 670A Indicator Hole Attachment is an essential tool for precision measurement, designed to reach inside holes and surfaces that are inaccessible with regular indicator spindles. This attachment features a 0.375" (9.5mm) diameter hole compatible with all AGD standard indicators and securely clamps to the indicator stem. The ball end on the swivel arm, measuring 1/8" (3mm) in diameter, ensures accurate contact with the work surface. Perfect for automotive, manufacturing, and toolroom applications, this durable tool is proudly made in the USA, ensuring reliability and long-lasting performance. Measure with confidence and precision using the Starrett 670A Indicator Hole Attachment.