Mitutoyo Tubular Inside Micrometers

Series 137 – Extension Rod Type
Series 139 – Extension Pipe type
Series 140 – Extension Pipe Type

This is an extension pipe type inside micrometer that offers you the following benefits:

• Interchangeable extensions in a hollow pipe design
• Carbide measuring faces

Features:

• Wide range of ID measurements by combining extension rods (pipes) and anvils with the micrometer head.
• Carbide-tipped measuring faces are available. (series 137)
• The 139 and 140 series use highly-durable/ large-diameter extension pipes.
• Series 137 supplid in fitted plastic case except 1550mm/60in come in wooden case.
• Series 139 supplied in fitted wooden case except 500mm/20in come in plastic case.
• Series 140 supplied in fitted wooden case.

Technical Data:

Accuracy: (.00012+.00005n+(.00004R/2))in
Graduation: 0.01mm or .001″

* with carbide tipped face:137-014,137-216,137-217,137-218,137-219,137-220