JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M16 x 0.75 Tapping Chucks Use it to achieve smooth

Use it to achieve smooth surface finishes

and maintain steady workflow on CNC or manual equipment

Carbide construction ensures strong wear resistance

Type E4 provides long service life and compatibility across multiple sizes and tapers to fit a range of spindles and tool shanks

from effortless plunging to accurate hole and profile creation

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M16 x 0.75 Tapping Chucks Use it to achieve smoothThe JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads. Its ideal for machinists, engineers, quality teams, and workshop technicians who need fast, reliable checks to confirm hole size and thread engagement. Designed for left hand thread applications, this gauge provides clear Go No Go guidance to ensure parts fit correctly. Go No Go efficiency: Quickly determine whether the threaded hole meets tolerance with a