Thread Plug Gauge 1/4-20 UNC 2B Double End Go Nogo Unified Thread Gauge Tool Steel HRC 62-64 Pro Grade Heavy Duty Wear Resistant For Accurate Threads With Hard Case Box Included 1 Pc

1/4-20 UNC Thread Plug Gauge Go/No-Go, Precision Tool
✔️ Pro grade tool steel HRC 62-64, boxed 1 pc Go/No-Go gauge

This thread plug gauge checks internal threads for 1/4-20 UNC, class 2B. Used in machining and assembly to verify thread tolerance and ensure fasteners fit correctly. Comes in a sturdy box for easy storage.

✅ Thread size: 1/4-20 UNC, 2B class
✅ End types: GO / NO-GO, double-ended
✅ Material: tool steel, HRC 62-64
✅ Pack: 1 piece in hard case box

💡 What is a thread plug gauge used for in machining and fastener assembly?

A precise Go/No-Go gauge helps QA verify threads quickly and reliably. - It checks internal thread size against Go and No-Go limits - It confirms tolerance class and fit for 1/4-20 UNC threads - It speeds quality control without disassembly