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high‑quality hole finishes quickly
delivering accurate hole size and smooth finish consistent with ISO H5 tolerances
The cobalt-enriched HSS-E body provides improved wear resistance for durable performance on demanding materials
The left-hand spiral flute and right-hand cutting provide reliable
enabling faster material removal while maintaining precise alignment and surface finish
JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M33 x 1.5 Tapping Chucks high‑quality hole finishes quicklyThe JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads. It helps machinists, engineers, buyers, and maintenance professionals quickly verify threaded holes are within spec. Built for reliability, this gauge features a left hand M33 x 1. 5 thread with 6H tolerance and a robust Go No Go design that lets you confirm both minimum and maximum sizes in a single check, speeding setup and reducing guesswork. Go No Go quick
