Shop Bore Gages. Bore gages measure inside hole diameter with high accuracy. The operator turns a knob or releases a trigger to simultaneously extend the contacts outward until the wall is touched by all contacts. Bore gages are selected by measurement range, depth, accuracy requirements and number of contacts (two or three).

Choose from our selection of Mitutoyo dial bore gauge sets, Mitutoyo dial bore gauges, Starrett telescoping bore gauge sets, and more. Same and Next Day Delivery.

The dial bore gages feature all-carbide gaging points, wear-proof ball crank, and adjustable centralizers. Available in a wide variety of models and ranges for use with virtually all Sunnen or other honing machines.

Starrett Dial Bore Gage with Protective Case and Carbide Contacts - 2-6" Range, .0005" Graduations - 3089Z-131-26J

These fractional bore gages allow for bore measurements beyond the size range of our 82 Bore Gage. They are comparison gages and should be set with a master ring gage, gage blocks with parallel jaws, outside micrometers or vernier calipers.

Jun 10, 2019 · Since you need a specific set of tools to perform boring operations, hole measurement also requires specific tooling. These tools, commonly known as bore gauges (or gages), come in a wide variety of types and sizes and are used to measure the inside diameter of a hole or cylinder.

Machine operators find our bore gages to be particularly useful in making quick, accurate adjustments to bring work-pieces within tolerance. In this application, the reading on the dial tells the exact amount of tool correction needed and eliminates uncertain, "creep-up" methods of making adjustments.

Make MSC your first choice for quality bore gages and accessories. We carry a broad range of bore gages for accurate measuring of internal diameters. Choose from a wide assortment of high-precision dial and digital readout gages in a full variety of sizes.

Select from MSC's wide variety of bore gages and equipment for your measuring applications. For reliability and durability, MSC carries everything from dial bore gages and telescoping gages to taper gages and small hole gages.

We offer gages to measure hole diameters and display the results in easy-to-read formats. Mechanical bore gages show vernier or dial results, while electronic tools use a digital display. Our bore gage sets and individual instruments come from the premier manufacturers of precision measurement gages, such as Mitutoyo and Starrett.