accurate countersinks with durable
Material: High-speed steel with cobalt (HSS-E) for enhanced wear resistance and heat tolerance
delivers precise hole finishing to ISO H4 tolerances with a straight shank and left‑hand spiral flute for reliable
ISO H5 tolerance for precise bore sizes: Delivers bore diameters within -0 to +0
Flute Design: Multi-flute configuration for efficient chip removal and improved stability
JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M34 x 1.5 Face Mill Arbors - Anti-Vibration accurate countersinks with durableThe JBO Thread Plug Gauge is a precision tool for metric fine threads, specifically calibrated for M34 x 1. 5 right hand threads. It's ideal for engineers, machinists, inspectors, and maintenance technicians who need fast, reliable checks to ensure threaded holes accept the correct mating parts. With a Go No Go design and 4H tolerance, this gauge provides clear, decisive validation of hole threads, helping you maintain tight quality control. The