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SOKUHANSHA is a manufacturer based in Ota, Tokyo, specializing in thread gauges, master rings, and bore gauges for dimensional inspection in mechanical engineering.
Its products are designed with a focus on accuracy, repeatability, and durability, meeting the quality control requirements of manufacturing processes. The range includes standard thread gauges, taper thread gauges, and master rings for equipment calibration.
SOKUHANSHA develops its products based on clear tolerance control principles, enabling faster and more precise inspections. Gauges and master rings are engineered to shorten inspection time while ensuring consistent results across shifts and production lines.
Internal thread gauges – Rapid, accurate checking of threaded holes.
External thread gauges – Ensuring shaft threads meet assembly standards.
Bore gauges – Measuring hole sizes against allowable tolerances.
Feeler gauges – Gap measurement and alignment in assembly work.
Taper thread gauges – For pipe or cone thread inspection in fluid and air systems.
Master rings – Used as a reference for calibration or checking measurement tools.
Fast and accurate: reducing inspection decision time.
Consistent results: minimizing variation between shifts and teams.
Long lifespan: materials and manufacturing processes optimized for wear resistance.
