Insize American Standard Thread Ring Gage 1/2–13UNC NOGO – Series 4121-1A1N Haron IPC32 Straight Flute Design – Enables

Straight Flute Design – Enables consistent chip removal during tapping

burr-free holes with minimal resistance and reduced cutting force✔ Long-Lasting Performance: Tungsten carbide ensures the cutter maintains sharpness even in demanding applications✔ Ideal for Heavy-Duty Use: Perfect for industrial applications that require deep and precise hole cutting✔ Versatile: Works with most standard drill chucks

Equipped with a heat-treated blade

8 sized threads

Its multi‑flute design (typically 4 flutes

Insize American Standard Thread Ring Gage 1/2–13UNC NOGO – Series 4121-1A1N Haron IPC32 Straight Flute Design – EnablesInsize American Standard Thread Ring Gage The Insize 4121 1A1N NOGO Thread Ring Gage is designed for accurate verification of external inch threads. Built to ANSI ASME B1. 2 standards, Class 2A, and supplied with a manufacturer inspection certificate, it ensures reliability in machining, tooling, and quality control applications. Specifications : Part No: 4121 1A1N Standard: ANSI ASME B1. 2 Thread Size: 1 213UNC Thread Class: 2A Type: NOGO Ring Gage