JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M23 x 0.75 Hydraulic Expansion Chucks This countersink is ideal for

This countersink is ideal for jobs where a professional-looking chamfer matters: creating flush screw heads in metal assemblies

With a 10 mm diameter and 16 mm length

Flute direction: Left-hand spiral flute with right-hand cutting for controlled reaming and efficient chip removal

Whether you’re plunging into deep pockets or profiling complex contours

helping maintain part geometry and finish in tight cavities

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M23 x 0.75 Hydraulic Expansion Chucks This countersink is ideal forTake the guesswork out of thread inspection with the JBO Thread Ring Gauge (NoGo) Metric Fine. Designed for M23 x 0. 75 right hand threads and 6g tolerance, this gauge provides fast, reliable pass fail checks during production, assembly, and quality control. Built from hardened steel for long life in demanding shop environments, its straightforward design helps engineers, buyers, tradespeople, and hobbyists quickly spot non conforming parts and keep