JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M33 x 1.5 NCDC Drill Chuck and tough W-coated carbide

and tough W-coated carbide

delivering precise surfaces and accurate radii

The straight shank simplifies mounting in standard toolholders

and shops seeking reliable accuracy

DIN 8051 B taper shank with ISO H5 tolerance

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M33 x 1.5 NCDC Drill Chuck and tough W-coated carbideThe JBO Thread Ring Gauge (NoGo) is a precision instrument used to verify external thread diameters with tight tolerances. Built for metric fine threads and left hand applications, this NoGo gauge targets the M33 x 1. 5 size to ensure components meet exact specifications. Crafted from hardened steel, it delivers durable wear resistance for daily shop use, maintaining accuracy through repeated inspections and demanding environments. Its simple,