Alternative indicators may be used in place of those recommended*. Some indicators and protection covers cannot be used with these bore gages. Contact a Mitutoyo sales office if considering the use of dial or digimatic indicators other than the recommended models. Setting Rings are available to aid in accurately setting a gage before making a measurement. (For details,
The Mitutoyo Series 511 Small Holes Bore Gages are precision internal diameter measuring instruments designed for small hole measurement. This series includes models covering metric ranges of 6-10mm and 10-18.5mm, as well as inch ranges of .24-.4" and .4-.74". Sets are available with or without pre-configured dial indicators and protection covers to suit specific measurement requirements.