Description
Overview:
The Insize M18x1.5 Metric Fine Go Ring Gauge 6g from the 4129 Series is a precision tool for checking external (male) metric threads on bolts, studs, and shafts. Built for daily workshop use, it features a durable, precision-ground steel construction in a circular ring form for consistent accuracy and wear resistance. As a GO gauge marked 6g, it confirms that M18 x 1.5 threads meet the ISO 1502 acceptance limits, giving a simple pass result when the thread is within tolerance. This makes it a reliable choice for quality control, assembly, and maintenance tasks on components used across plant, machinery, and equipment in construction, engineering, and garden machinery sectors. It helps ensure trouble-free fits with matching M18 x 1.5 female threads.
Key Features:
- M18 x 1.5 Metric Fine GO ring gauge for checking external threads
- 6g tolerance class to verify acceptance limits for male threads per ISO 1502
- Precision-ground steel body for stability, accuracy, and long service life
- Simple pass/fail checking without complex measurements or set-up
- Knurled outer edge for secure grip and controlled hand use
- Clear size and class marking for quick identification at the bench
- Consistent gauging results for inspection, production, and maintenance teams
- Suitable for use on bolts, studs, shafts, and threaded adaptors in many industries
- Reliable choice for routine QC checks and in-process verification on site or in the workshop
Typical Applications:
Used in machine shops, maintenance departments, and inspection areas to confirm that M18 x 1.5 external threads on fasteners, shafts, couplings, and hydraulic or mechanical fittings meet 6g limits. Ideal for production line checks, incoming goods inspection, and service work on construction equipment, plant, and garden machinery where dependable thread fit is essential.
Also known as:
Thread ring gauge, metric GO ring, GO screw thread ring, pass gauge, limit gauge for external threads, M18 x 1.5 6g GO gauge, metric fine external thread checker.
Alternate Part Numbers:
841 2918, 841-2918, 8412918
Product Specifications
| L&S Part No. | 841 2918 |
|---|---|
| Unit of Sale | 1 |
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