The Asimeto 682 Series plug gauge is a precision internal thread gauge designed to verify metric fine threads with 6H tolerance. Specifically tuned for M55 x 3, this right-hand gauge is ideal for machinists, quality inspectors, and assembly technicians who need reliable, quick checks of thread pitch diameter.

• Series: 682
• Thread size: M55 x 3 (metric fine thread)
• Thread Direction: Right-hand
• Tolerance class: 6H
• Construction: Cylindrical plug gauge with precise dimensions and durable materials for longevity
• Purpose: Used to measure and verify the internal threads of metric fasteners

With its precise pitch-diameter measurement and strict adherence to 6H standards, this plug gauge delivers fast, repeatable checks that help prevent threaded assemblies from binding or loosening. Use it in quality-control stations, during part inspection, or as part of a go/no-go workflow to confirm thread compatibility before assembly, reducing rework and improving first-pass yields. The durable construction and compact form factor make it a dependable tool for daily workshop use and easy storage in a toolbox or inspection station.