Mitutoyo 0-25mm Groove Micrometer 146-103

Description

Arriving late September 2025 for delivery – Pre-order now

Condition: Used – in good working order, tested, and includes original plastic protective case with inspection papers.

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Product Overview

The Mitutoyo Groove Micrometer (Model 146-103) is a precision instrument designed for accurate measurement of grooves in bores and tubular workpieces. Featuring a non-rotating flanged spindle and disc-shaped anvil, it delivers reliable measurements of both groove width and location. With its dual-scale capability and robust construction, this tool is an excellent choice for machinists, toolmakers, and inspection professionals who require high-accuracy results in precision metalworking.

Mitutoyo’s Series 146 groove micrometers are trusted globally for their ergonomic design and long service life, ensuring consistent performance in demanding workshop and inspection environments.

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Features & Specifications

Specification	Detail
Model	Groove Micrometer, Series 146
Measurement Range	0 – 25 mm (outside); 1.6 – 26.5 mm (inside)
Graduation	0.01 mm
Maximum Permissible Error (MPE)	±10 µm
Measuring Method	Flanged spindle with disc-shaped anvil; non-rotating spindle
Ratchet Stop	Two-directional ratchet stop for consistent measuring force
Parallelism	10 µm
Mass	Approx. 135 g
Delivered With	Plastic protective case, inspection papers
Optional Accessories	Master gauge for ID/OD measurement (not required for 0–25 mm model)

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Keywords

Groove micrometer, Mitutoyo Series 146, precision machinist tools, internal groove measurement, non-rotating spindle micrometer, dual-scale micrometer, bore groove gauge.

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Manufacturer Reference

Mitutoyo Groove Micrometers – Official Product Page