Asimeto Plug Hole Gauge H7 - 670 Series - 40mmThe Asimeto 670 Series Plug Hole Gauge H7 is a precision measuring tool designed for machinists and quality control professionals who need reliable hole diameter checks. With a 40 mm nominal size and an H7 tolerance, it delivers a close, repeatable fit that supports tight tolerance manufacturing. Nominal size: 40 mm plug gauge for accurate hole verification Tolerance: H7 tolerance to ensure a near perfect match between gauge and hole Series: 670