Material: HSS-E (high-speed steel with cobalt) delivering superior wear resistance and heat tolerance
repeatable seating: Provides stable alignment in standard tool holders
it delivers clean fillets and reliable performance in tight mold geometries
Ball Nose Geometry for Accurate Contouring: Delivers precise 3D contours and fine surface finishes on complex graphite features with consistent results
Toolex Reamer with spiral flute and straight shank is built for intermediate precision hole finishing in metalworking
JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M5 x 0.5 Power Milling Chucks Material: HSS-E (high-speed steel withThe JBO Thread Plug Gauge is a precision Go No Go probe designed for metric fine threads. It targets M5 x 0. 5 with a 4H hole tolerance and is right hand oriented for common production fits. Built for quick, reliable checks, it helps ensure threaded holes accept components consistently. Designed for engineers, machinists, QA inspectors, and workshop hobbyists, this gauge provides fast, clear pass fail feedback so you can confirm thread size and