JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M8 x 1.25 End Mill Holders High-speed milling capability up to

High-speed milling capability up to 25

lowering edge wear and preserving surface finish

while the through-coolant design maintains cutting efficiency and reliability in challenging production environments

especially for small-radius corners

Featuring a taper shank for secure seating in standard toolholders and a left-hand spiral flute with right-hand cutting

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M8 x 1.25 End Mill Holders High-speed milling capability up toThe JBO Thread Ring Gauge (NoGo) Metric Coarse is a precision inspection tool designed to verify external thread diameters against standard specifications. This right hand, NoGo gauge is calibrated for the 4h tolerance on M8 x 1. 25 threads, helping you quickly determine whether a part meets the required fit and performance criteria. Made from hardened steel, this gauge delivers durability and wear resistance for busy workshops, quality labs, and