6H Metric Thread Plug Gauge: Go/No-Go Inspection Tool for Internal Coarse & Fine Threads M4-M6.

This precision inspection tool is designed for assessing internal coarse and fine threads ranging from M4 to M6. Featuring a dual-ended design, it offers both "Go" and "No-Go" measurement capabilities to ensure accurate threading quality control. Crafted for durability and accuracy, it is an essential instrument for machinists and quality assurance professionals in various industries, verifying that threaded components meet specified standards and tolerances. Gauge Type: Gauge Manufacture country: China Instructions included: No