The JBO Thread Plug Gauge is a left-hand, metric fine thread Go/No-Go gauge designed for M24 x 1 holes, built to a 6H tolerance for consistent checks. It helps technicians, engineers, and machinists quickly verify threaded holes meet spec, ensuring smooth, accurate assembly of components.

Crafted from hardened steel for long-lasting wear, the gauge resists the rigors of daily shop use. The knurled body provides a secure grip for repeatable measurements, even when wearing gloves or working in tight spaces.

• Go/No-Go Quick Verification for M24 x 1: Instantly confirms whether a hole accepts the M24 x 1 thread, helping you speed up quality checks and reduce guesswork.
• Hardened Steel Construction: Delivers long-lasting durability and reliable readings through heavy-use environments.
• Ergonomic Knurled Grip: Ensures a secure, comfortable hold for precise, repeatable measurements, even with gloves.

Using the JBO Thread Plug Gauge simplifies your threaded hole inspection, minimizes rework, and supports consistent, high-quality assembly across jobs. Rely on a durable, purpose-built tool that stays accurate after repetitive use and helps your team maintain productive workflows.