Insider Diameter Measuring Tools

Holtest
- Allows stable measurement of small-hole inside diameters with two or three contact points

Borematic Holtest
- Allows stable measurement of inside diameters with three contact points

Tubular Inside Micrometer
- Standard rod-type micrometer
- Measuring range: 50 to 1000mm with various models

Extension Rod Type Inside Micrometer
- Extension rod type with the built-in standard bar

Extension Pipe Type Inside Micrometer
- Extension pipe type combined with precisely finished pipes
- A light-weight type is available

Interchangeable Rod Type Inside Micrometer
- Extension rod and collar type

Caliper Type Inside Micrometer
- Supports measurement of small diameters with caliper-type measuring faces

CERA Inside Micrometer Checker
- Easy to adjust the zero point of the insude micrometer
- Two models of micro-checkers with a measuring range of 300mm and 600mm
- Ceramic tipped measuring faces

Small Bore Gage
- Supports measurement of small inside diameters between 0.95 and 18mm.
- Covered with total 5 models

Small Bore Gage
- Cylinder gages for measuring inside diameters between 6 and 18.5mm
- Covered with 2 models

Standard Bore Gage
- Cylinder gages for measuring inside diameters between 18 and 400mm
- Covered with total 7 models (Carbide-tipped measuring faces are available)

Standard Bore Gage
- Short length below the grip is convenient for diameter measurement at narrow places
- Measuring range: 18 to 160mm with total 5 models

Shallow Hole Type Bore Gage
- Allows diameter measurement near the bottom of a hole
- Measuring range: 15 to 150mm with total 4 models

Bore Gage with Micrometer Head
- Allows easy dimensional setup for mounting a micrometer head
- Measuring range: 35 to 800mm with total 7 models

Display Unit Integrated Type Digital Bore Gage
- Latest cylinder gage with high accuracy and high function
- Allows measurement of deep holes

Extension Rod
- Extension rod for deep-hole measurement
- Options according to the main unit

Bore Gage Zero Checker
- Supports a wide measuring range for setting the zero point

Ring Gage
- Ring for setting the zero point
- A ceramic ring is also available

Stand for Measuring Small Holes
- Convenient for measurement of a large number of holes on a small part
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