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  INSIDE DIAMETER measuring tools
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Holtest Borematic Holtest
Tubular Inside Micrometer
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- Allows stable measurement of small-hole inside diameters with two or three contact points.
- Allows stable measurement of inside diameters with three contact points.
- Standard rod-type micrometer
- Measuring range: 50 to 1000mm with various models
     
     
Extension Rod Type Inside Micrometer
Extension Pipe Type Inside Micrometer
Interchangeable Rod Type Inside Micrometer
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- Extension rod type with the built-in standard bar
- Extension pipe type combined with precisely finished pipes
- A light-weight type is available.
- Extension rod and collar type
     
     
Caliper Type Inside Micrometer
CERA Inside Micrometer Checker
Small Bore Gage
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- Supports measurement of small diameters with caliper-type measuring faces.
- 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
- Supports measurement of small inside diameters between 0.95 and 18mm.
- Covered with total 5 models
     
     
Small Bore Gage
Standard Bore Gage
Standard Bore Gage
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- Cylinder gages for measuring inside diameters between 6 and 18.5mm
- Covered with 2 models
- Cylinder gages for measuring inside diameters between 18 and 400mm
- Covered with total 7 models (Carbide-tipped measuring faces are available.)
- 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
Bore Gage with Micrometer Head
Display Unit Integrated Type Digital Bore Gage
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- Allows diameter measurement near the bottom of a hole.
- Measuring range: 15 to 150mm with total 4 models
- Allows easy dimensional setup for mounting a micrometer head
- Measuring range: 35 to 800mm with total 7 models
- Latest cylinder gage with high accuracy and high function
- Allows measurement of deep holes.
     
     
Dial Bore Gage
Extension Rod
Bore Gage Zero Checker
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- Convenient for continuous measurement of mass-production parts.
- Extension rod for deep-hole measurement
- Options according to the main unit
- Supports a wide measuring range for setting the zero point
     
     
Ring Gage
Ring Master Inside Diameter Measurement Tool
RM-120
Stand for Measuring Small Holes
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- Ring for setting the zero point
- A ceramic ring is also available.
- Enables absolute measurement‚ not comparison measurement.
- Reduces operation man hours associated with measurement.
- Convenient for measurement of a large number of holes on a small part.