JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M25 x 1.5 Tapping Chucks and a left-hand spiral flute

and a left-hand spiral flute for controlled chip flow

it carries ISO H5 tolerance for accurate hole sizes

Material: HSS‑E (high‑speed steel with cobalt) offers enhanced hardness and heat resistance for demanding cuts

Accuracy: Consistent geometric precision yields smooth

The M2 HSS construction offers strong wear resistance for multiple uses in standard workshops

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M25 x 1.5 Tapping Chucks and a left-hand spiral fluteThe JBO Thread Ring Gauge GO Metric Fine Right Hand 4h M25 x 1. 5 is a precision tool designed to quickly verify external thread diameters. Its ideal for engineers, machinists, quality teams, and workshop technicians who need reliable, repeatable checks to confirm that threaded components meet minimum size requirements and will assemble correctly. Built for durability in busy environments, this Go gauge features hardened steel construction for wear