Insize American Standard Thread Ring Gage 1–8UNC GO – Series 4121-2A1 200x155x80 mm Waterproof Junction Box - Versatile use across different

- Versatile use across different metal types

precise measurements in a variety of professional

150mm plunger

75mm range for accurate reaming

Cutting Diameter: 3/16

Insize American Standard Thread Ring Gage 1–8UNC GO – Series 4121-2A1 200x155x80 mm Waterproof Junction Box - Versatile use across differentInsize American Standard Thread Ring Gage The Insize 4121 2A1 GO Thread Ring Gage is built for acceptance inspection of external inch threads. Meeting ANSI ASME B1. 2 Class 2A standards and supplied with a manufacturer's inspection certificate, it ensures accurate, repeatable GO gauging in production and QA. Specifications : Part No: 4121 2A1 Standard: ANSI ASME B1. 2 Thread Size: 18UNC Thread Class: 2A Type: GO Ring Gage Material: Hardened tool steel