JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M90 x 3 Boring Bar Blank Material: Carbide construction for higher

Material: Carbide construction for higher cutting speeds and extended edge life compared to traditional HSS blades

with dispatch available within 24–48 hours after order confirmation

dependable seating in your chuck or collet

Carbide (k10) construction: Intermediate precision carbide provides longer tool life and stable sizing for repeated reaming cycles

repeatable hole sizing for finish-critical applications

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M90 x 3 Boring Bar Blank Material: Carbide construction for higherThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 6g M90 x 3 is a precision GO gauge designed to quickly verify external thread diameters on metric fine threads. Ideal for machinists, inspectors, and quality teams, it helps confirm parts meet the M90 x 3 specification and 6g tolerance with a simple go no go check. Made from hardened steel, it is built to withstand daily use in busy workshops. Its right hand, fine pitch geometry ensures reliable,