Starrett 683M-2Z Internal Chamfer Gauge - 0-90 deg, 0-12.7mm

The Starrett 683M-2Z millimetre reading internal chamfer gauge delivers fast, accurate measurement of chamfered holes without the need for a setting master. Its three-blade plunger contacts a flat surface and instantly shows the stamped reference number, letting you verify dimensions in seconds. Hardened tool steel ground surfaces keep the gauge resistant to wear, while the AGD-style indicator provides clear, legible readings even in low light. Designed to capture the largest diameter of any chamfer within the 0-90 degree angle range, it works on a wide variety of parts and applications in machining, tooling and inspection. When wear does occur, a simple adjustment restores the correct reading, extending the tool's useful life. The gauge arrives in a deluxe padded case, protecting it during transport and storage and ensuring it stays ready for every job. Choose the Starrett 683M-2Z for reliable, repeatable chamfer measurement that saves time and reduces error.