The special head allows to inspect bores at 2,5 mm from the bottom.
Maximum accuracy and reliability for high accuracy tests (Japanese class A), traditional bore gauge measuring system, low dilatation frame, non-conducting material handle. Carbide moving contact, interchangeable anvils with hardened stainless steel sphere, ø 8 mm dial gauge clamping shank.
Accuracy 2 µm, repeatability 2 µm.