JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M40 x 1.5 Endmill25 This end mill excels in

This end mill excels in aluminum environments where reliable performance

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

57mm is an intermediate precision carbide reamer designed to finish holes to a precise size with a smooth surface

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

Built with carbide for longevity

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M40 x 1.5 Endmill25 This end mill excels inThe 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