JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M68 x 3 End Mill Holders Notch-free tapered neck on a

Notch-free tapered neck on a 6 mm shank: Enhances durability and rigidity

and the reamer is manufactured to order by Toolex Ltd

while the straight shank ensures reliable seating in standard holders and collets

and machine shops tackling threaded holes in metal and plastics

helping teams maintain consistent performance across workflows

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M68 x 3 End Mill Holders Notch-free tapered neck on aThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 6g M68 x 3 is a precision tool designed to quickly verify external thread diameters. Its ideal for engineers, machinists, inspectors, and workshop teams who need reliable, on the spot confirmation that threaded components meet exact size requirements. Built for demanding environments, this ring gauge uses hardened steel for exceptional durability and wear resistance. Its GO design delivers fast,