Made in Japan
Manufacturer: Niigata Seiki Co., Ltd
Model: Set

Ring gauge set consist of frequently-used sizes

Use

• As a master ring gauge for “0” adjustment of measuring instruments
  such as bore gauge, inside micrometer, dial caliper, etc.

Material: Alloy tool steel

Feature

• Provided with inspection report

Specifications

• Surface roughness: Within Ra0.1µm
• Squareness: 0.05 /φ100
• Parallelism: Within 0.015mm

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