Mitutoyo 118-129 Outside Micrometer 1 in Ratchet Stop

Product Description

The MITUTOYO 118-129 is a mechanical outside micrometer designed for precise dimensional measurement of external workpiece features. It provides a 1-inch measurement range with a graduation of 0.0001 inches and an accuracy of 0.0002 inches, making it a reliable tool for quality control and inspection tasks. The ratchet stop thimble delivers consistent measuring force, reducing operator-to-operator variation on repeated measurements. Measuring faces are solid carbide for long service life under production conditions. The deep throat design extends reach for measuring recessed features. Machinists, toolmakers, and precision inspectors are the primary users of this instrument.

This micrometer is suited for dimensional inspection in machine shops, manufacturing facilities, toolrooms, and metrology labs. The deep throat feature makes it particularly useful when measuring workpieces where a standard-depth frame would not reach the measurement point. The satin chrome finish reduces glare under shop lighting for easier reading. It ships with a plastic case for storage and transport. It is appropriate for both production floor use and bench inspection applications where a mechanical, non-digital instrument is preferred or required.

Key Features

• 1-inch measurement range with 0.0001-inch graduation for high-resolution readings
• Accuracy of 0.0002 inches for reliable dimensional verification
• Ratchet stop thimble ensures consistent, repeatable measuring force
• Solid carbide measuring faces for extended wear resistance
• Deep throat frame design for access to recessed measurement surfaces
• Satin chrome finish reduces glare and resists corrosion

Compatibility

Designed as a standard outside micrometer for external dimensional measurement of cylindrical, flat, or contoured workpieces within a 0 to 1-inch range.

Installation Notes

This instrument requires no installation. Prior to use, clean the measuring faces with a lint-free cloth and verify the zero setting against a known reference standard. Store in the included plastic case when not in use to protect the measuring faces and frame from damage. Calibration should be performed at regular intervals in accordance with the facility quality management program.