JBO Thread Ring Gauge (GO) - Metric Coarse - Right Hand - 4h - M20 x 2.5 Shrink Fit Holders optimized for efficient chip clearance

optimized for efficient chip clearance during reaming with through coolant

extending tool life while preserving edge sharpness

Material: HSS (M2) high-speed steel for hardness and wear resistance

Omega DV40 ER Collet Chuck ER32 is a precision toolholder designed for DV40 spindle systems and DIN69871 compatibility

Featuring an exemplary 5-micron run-out

JBO Thread Ring Gauge (GO) - Metric Coarse - Right Hand - 4h - M20 x 2.5 Shrink Fit Holders optimized for efficient chip clearanceThe JBO Thread Ring Gauge (GO) Metric Coarse, Right Hand, 4h, M20 x 2. 5 is a precision inspection tool designed to verify external metric coarse threads. Its ideal for engineers, quality teams, machinists, and workshop technicians who need fast, reliable checks to confirm parts meet the exact diameter and tolerance required for proper fit and performance. Built for everyday use in production and QA environments, this GO gauge helps ensure consistent,