JBO Thread Plug Gauge (NoGo) - Metric Fine - Right Hand - 4H - M55 x 2 Power Milling Chucks Material: Carbide construction meant for

Material: Carbide construction meant for durability

Left-hand spiral flute with right-hand cutting: stable guidance and consistent hole size

Left-hand spiral flute with right-hand cutting: Facilitates efficient chip removal and stable cutting

Cutting direction: Right-hand cutting for controlled progression and clean bore edges

and improves overall workflow—with predictable performance you can trust on every job

JBO Thread Plug Gauge (NoGo) - Metric Fine - Right Hand - 4H - M55 x 2 Power Milling Chucks Material: Carbide construction meant forThe JBO Thread Plug Gauge (NoGo) Metric Fine Right Hand 4H M55 x 2 is a precision measuring tool designed to verify metric fine threaded holes. Its ideal for machinists, quality inspectors, and assembly teams who need fast, dependable hole verification to ensure parts meet specification. Made from hardened steel, this NoGo gauge delivers durable, repeatable measurements in busy workshops and demanding environments, helping you trust every check. NoGo