JBO Thread Plug Gauge (NoGo) - Metric Fine - Right Hand - 6G - M42 x 1.5 FLH while the 30° helix minimizes

while the 30° helix minimizes cutting forces for steadier cuts and improved productivity

The three-flute geometry promotes steady chip removal

Key advantages include high-pressure cooling up to 120 bar with an integral metal seal

enabling quick setup and reliable clamping

and increased productivity in both professional shops and DIY workshops

JBO Thread Plug Gauge (NoGo) - Metric Fine - Right Hand - 6G - M42 x 1.5 FLH while the 30° helix minimizesThe JBO Thread Plug Gauge (NoGo) in Metric Fine is a precision tool designed to verify internal threads in metric fine sizes. It targets right hand threads with 6G tolerance and a size of M42 x 1. 5, helping inspectors and machinists confirm that threaded holes meet the required fit. Built for reliable performance in daily use, this gauge enables quick, repeatable checks that support consistent quality control across parts and assemblies. Made from