JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M40 x 1.5 Endmill25 31 mm is a precision

31 mm is a precision finishing tool designed to bring holes to exact size with a smooth

and longer tool life in everyday machining workflows

This end mill excels in aluminum environments where reliable performance

multi-layer nano chrome finish

Taper Shank for Secure Mounting: Fits standard taper shank holders to minimize runout and maintain consistent hole size during reaming operations

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M40 x 1.5 Endmill25 31 mm is a precisionThe JBO Thread Plug Gauge is a precision inspection tool designed for left hand metric fine threads. Specifically sized for M40 x 1. 5 and built to the 6H class, this Go No Go gauge makes it quick and easy to verify internal thread holes with confidence. Its dual function design supports fast checks during setup, inspection, and assembly, helping keep production moving smoothly. Go No Go design for fast, reliable inspections: Quickly determine if a