Starrett 683-3Z Dial Internal Chamfer Gage Range Angle - 0-1 0-90

The Starrett 683-3Z is a precision dial-type internal chamfer gage designed to directly measure the diameter of chamfered holes without the need for a setting master. Featuring a 0–1" measurement range and a 0–90° angle range, this gage is an essential tool for quality control inspection in machining and manufacturing environments.

Key Features:

• Direct measurement: Measures the largest diameter of any chamfer with an included angle within the 0–90° range printed on the dial face
• No setting master required: Self-referencing design simplifies setup and speeds up inspection workflow
• Three-blade plunger design: When pressed against a flat surface, the gage reads the preset number stamped on the back of the indicator
• Adjustable for wear: Can be recalibrated to maintain accuracy over the life of the tool
• AGD design indicator: American Gauge Design standard ensures compatibility and reliable performance
• 0.001" graduations: High-resolution dial for precise readings
• Includes deluxe padded case: Protects the gage during storage and transport
• Made in the USA

The Starrett 683-3Z is part of the Starrett 683 series of internal chamfer gages, covering ranges from 0–3/8" up to 1–2". Starrett EDP No. 63686. Electronic indicator versions are also available upon request.