Mitutoyo 104-149 Outside Micrometer Interchangeable Anvil, 0 to 4”

Description

The Mitutoyo 104-149 is an analog outside micrometer set from the Series 104 that uses interchangeable anvils to provide a wide measurement range of 0 to 4 inches. It is designed for precise outside diameter measurements in industrial and manufacturing applications.

Key features 

• Measurement range: 0 to 4 inches, which is covered by using the micrometer head and the three included interchangeable anvils.
• Resolution: 0.001 inch.Accuracy: \(\pm [0.00016"+0.00004(R/3)]\text{\ in}\), where L is the maximum measuring length in inches.
• Constant force mechanism: It features a ratchet stop to ensure a constant measuring force is applied to the workpiece, which helps achieve repeatable measurements.
• Measuring surfaces: The spindle has a carbide-tipped face for wear resistance, and the anvils are made of hardened steel. The surfaces have a micro-lap finish for precision.
• Anvil design: The anvils are designed for easy and quick interchangeability. According to a YouTube video from March 2020, the anvils slide into the holder and are secured with a threaded thumb knob.
• Finish: The thimble and sleeve have a satin chrome finish for easy and clear reading of the graduations.
• Included accessories: The set comes with three setting standards (1, 2, and 3 inches) for accurate zero-setting for each range. It is also supplied in a fitted wooden case for protection and storage.
• Analog display: The micrometer uses a traditional analog scale for measurement readings.
• Spindle lock: A spindle lock is included to hold the measurement securely once taken.