Starrett 685M-3Z 685 Series external chamfer gage with 25-50 mm measuring range, hardened tool steel construction, yellow dial, and 3-blade plunger. Designed for precise measurement of chamfer diameters on external edges in machining and quality control applications.

These gages directly measure the diameter of chamfered holes. No setting master is necessary. When the three-blade plunger is pressed against a fl at surface, the gage should read the set number stamped on the back of the indicator. In case of wear, the gage may be adjusted to read the proper number. 25-50mm Range In case of wear, the gage may be adjusted to read the proper number.

Features

• When the three blade plunger is pressed against a flat surface, the gage should read the set number stamped on the back of the indicator
• No setting master is necessary
• Gages will measure the smallest diameter of any chamfer within the range of angles printed on the dial face of the gage
• Gages are also available with electronic indicators on request
• Deluxe padded case
• All ground surfaces are of hardened tool steel
• Indicators are AGD design
• Gages directly measure the diameter of chamfered holes
• For 0 - 90 deg Dial reading