JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M34 x 1 RPTECH Its carbide construction provides outstanding

Its carbide construction provides outstanding wear resistance

49 mm nominal diameter is built for reliable sizing across a range of applications

enabling fast pass/fail checks in production and QC

Its metric fine size (M140 x 2) and right-hand orientation align with standard M-thread holes

it’s a reliable choice for professional shops and skilled hobbyists alike

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M34 x 1 RPTECH Its carbide construction provides outstandingThe JBO Thread Ring Gauge (GO) is a precision tool designed to verify external metric fine threads with confidence. Sized for M34 x 1 lefthand threads and 6g tolerance, it provides fast, reliable checks that help inspectors and machinists confirm components meet exact dimensional standards. Crafted from hardened steel, this GO gauge delivers outstanding durability and wear resistance in busy shop environments. Its straightforward, userfriendly design