JBO Thread Plug Gauge (GO) - Metric Fine - Left Hand - 6H - M55 x 1 Hydraulic Expansion Chucks 2-flute carbide milling tool designed

2-flute carbide milling tool designed for complex contours

It is particularly well‑suited for mold and die work under 55 HRc

while the streamlined flute minimizes resistance for steady

combined with the tailored flute geometry and protective W coating

This reamer delivers predictable hole accuracy and a high-quality surface finish across common machining tasks

JBO Thread Plug Gauge (GO) - Metric Fine - Left Hand - 6H - M55 x 1 Hydraulic Expansion Chucks 2-flute carbide milling tool designedJBO Thread Plug Gauge (GO) Metric Fine Left Hand 6H M55 x 1 is a precision Go gauge used to quickly verify threaded holes meet the required standards for metric fine left hand threads. Crafted from hardened steel for durability, it resists wear in demanding shop environments and helps maintain reliable measurements over time. Precise Go gauge for M55 x 1 Metric Fine Left Hand Threads: Quickly verify that threaded holes are correctly formed to spec