JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Right Hand - 6H - M3 x 0.5 Hydraulic Expansion Chucks multiple-helix design and integrated corner

multiple-helix design and integrated corner radius provide smooth contouring and reliable performance for profiling

ready-to-use tool for demanding reaming tasks that require accuracy and repeatable performance

Its left‑hand spiral flute and right‑hand cutting deliver consistent material removal and smooth bore finishes for metalworking and fabrication tasks

helping projects stay on schedule

helping reduce chatter and finish variations

JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Right Hand - 6H - M3 x 0.5 Hydraulic Expansion Chucks multiple-helix design and integrated cornerThe JBO Thread Plug Gauge is a precision instrument for metric coarse threads, enabling fast, reliable go no go checks of threaded holes. Its textured knurled grip provides secure handling in busy workshops, so operators can work confidently even when wearing gloves. Built for durability, this right hand gauge is specified for M3 x 0. 5 holes with a 6H tolerance and is crafted from hardened steel to stand up to regular use, wear, and repeated