Insize American Standard Thread Ring Gage 1–8UNC GO – Series 4121-2A1 Insize 90° Flat Edge Square 200x130mm Range Series 4793-200 General-Purpose Use – Suitable for

General-Purpose Use – Suitable for mild steel

For general hand tapping

The zinc plating offers corrosion resistance

Its smooth sliding mechanism and fine adjustment feature make it easy to achieve exact measurements of internal and external widths with confidence

3203-66A 0-6" 0

Insize American Standard Thread Ring Gage 1–8UNC GO – Series 4121-2A1 Insize 90° Flat Edge Square 200x130mm Range Series 4793-200 General-Purpose Use – Suitable forInsize 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