Mitutoyo 167-297 Screw Thread Micrometer Standard Bar 4 Inch 60 Degree

The Mitutoyo 167-297 is a precision screw thread micrometer standard bar designed for accurate zero point calibration and setting of screw thread micrometers. This 4-inch standard bar features a 60-degree thread angle configuration, making it ideal for calibrating micrometers used to measure American National Standard threads and other 60-degree thread forms.

Key Features:

• 4-inch nominal size for calibrating corresponding screw thread micrometers
• 60-degree thread angle matches American National Standard thread specifications
• Precision-ground and lapped surfaces ensure accurate calibration reference
• Hardened and stabilized steel construction for long-term dimensional stability
• Essential accessory for maintaining measurement accuracy and traceability

This calibration standard is an essential tool for quality control departments, machine shops, and metrology labs where precise thread measurement is critical. Regular calibration using this standard bar helps ensure your screw thread micrometers maintain their accuracy and comply with quality standards.