Mitutoyo 167-912 Micrometer Standard Bar Set 1-5 Inch 5-Piece

The Mitutoyo 167-912 is a precision micrometer standard bar set designed for accurate zero-point calibration and setting of screw thread micrometers and other precision measuring instruments. This professional-grade set includes five hardened steel standard bars covering the 1-inch through 5-inch range, providing reference standards for verifying micrometer accuracy across multiple measurement spans.

Key Features:

• Five-piece standard bar set with 1-inch increments (1", 2", 3", 4", and 5" bars)
• Specially designed for zero-point setting and calibration of screw thread micrometers
• Heat-insulating handles prevent thermal expansion from body temperature during handling
• Precision-ground and lapped measuring surfaces ensure accurate reference standards
• Supplied in fitted carrying case for organized storage and protection
• Hardened steel construction for long-term dimensional stability

This standard bar set is essential for quality control departments, calibration laboratories, and precision machining operations where micrometer accuracy verification is critical. The heat-insulating handles minimize measurement errors caused by thermal transfer, ensuring reliable calibration results. Each bar is clearly marked with its nominal size for quick identification.