Lightweight and precise, the guardian of the professional Nut and Bolt Thread Checke:
Aluminum alloy Nut and Bolt Thread Checker, light and durable, covering a variety of sizes, to meet the needs of mechanical maintenance, manufacturing, building decoration and other different industries. Nut and Bolt Thread Checker precision machining, precise size, improve work efficiency. Portable design, clear identification, fast measurement, suitable for all kinds of field work, to ensure that the thread matching is correct, improve the quality of the project.