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Mitutoyo 177-139, Setting Ring, 25mm Size, 15mm Width, 53mm Outside Diameter, +/-1.5Micrometer Accuracy Bore Calibration Standard, Roundness, Reference for Internal Micrometer Setup

Mitutoyo 177-139, Setting Ring, 25mm Size, 15mm Width, 53mm Outside Diameter, +/-1.5Micrometer Accuracy Bore Calibration Standard, Roundness, Reference for Internal Micrometer Setup

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$92.98 cheaper than the new price!!

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Product details

Management number 218635694 Release Date 2026/05/03 List Price $61.99 Model Number 218635694
Category
  1. Industrial & Scientific
  2. Test, Measure & Inspect
  3. Calibration
  4. Dimensional Calibration
  5. Setting Rings
  • MICRON?LEVEL ACCURACY STANDARD: Provides a certified internal?diameter reference (It is used as an accessory for inside micrometers, hottest and dial bore gauge) with finish?lapped roundness and a permanently marked actual ID for traceable zero?setting of inside micrometers, Holtest three?point gages, and dial bore gages across shop and lab workflows.
  • THERMALLY STABILIZED STEEL: High?grade, thermally stabilized construction resists size drift; the robust ring body supports reliable instrument seating and minimizes operator influence during bore?gage setup and verification.
  • TRACEABLE MARKED SIZE: Each ring is engraved with its actual measured ID to eliminate setup uncertainty, accelerate quick zero checks, and maintain consistent calibration across shifts and inspection stations.
  • CALIBRATION?READY WORKFLOWS: Ideal for incoming inspection, in?process verification, and periodic QC of inside micrometers, three?point Holtest gages, and dial bore gages used in aerospace, automotive, and precision manufacturing.
  • A LEGACY OF QUALITY: Our ultra-precise measurement solutions bring improved performance to countless industries, including aerospace, medical, automotive and energy. With more than 5,500 products the largest product portfolio of any commercial metrology provider we have the solutions you need to meet today's metrological challenges and customer expectations.
Item Weight 0.01 ounces
Manufacturer Mitutoyo
Item model number 177-139
Product Dimensions 2.4 x 2.3 x 1 inches
Is Discontinued By Manufacturer No

Mitutoyo 177-139, Setting Ring, 25mm Size, 15mm Width, 53mm Outside Diameter, +/-1.5Micrometer Accuracy Bore Calibration Standard, Roundness, Reference for Internal Micrometer Setup

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