InSize Precision Setting Ring Diameter

InSize precision setting rings, also called master setting rings or bore gage setting rings, are reference standards for zeroing and calibrating inside micrometers, three-point internal micrometers and bore gages. Each ring gives your bore measuring tools a dependable reference diameter, so inspection and quality control work stays accurate.

Key Features:

• Made of steel for durability and long service in machine shop and inspection environments
• Meets DIN 2250-1:2008 on the metric ring series
• Used to set zero on inside micrometers, three-point internal micrometers and bore gages
• Each ring is marked with its checked size. The size is checked in the direction of the marking line
• Supplied with a manufacturer inspection certificate
• Available in metric and inch diameter series to suit a wide range of measuring tasks

INSIZE is a well-known maker of dimensional measuring and inspection tools. These setting rings suit tool rooms, QC labs and machine shops that need a repeatable reference for bore measurement. Check the specific item you select for its exact diameter, deviation and certification details.