JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M12 x 1.25 End Mill Holders Using this reamer helps you

Using this reamer helps you achieve precise hole finishes with dependable performance

Lead time / Availability: Manufactured to order

Flutes: 3-flute design for efficient chip evacuation and stable cutting

HSS‑E (M35 cobalt) with DIN 8089 and ISO H4 tolerance: Combines wear resistance with tight size control for reliable

Material: Carbide construction for high hardness workpieces and extended tool life

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M12 x 1.25 End Mill Holders Using this reamer helps youThe JBO Thread Ring Gauge (GO) Metric Fine is a precision tool for verifying external thread diameters on fasteners, fittings, and machined parts. Built for metric fine threads with left hand compatibility, it helps engineers, inspectors, and buyers quickly confirm conformance to M12 x 1. 25 with a 6g tolerance, while its hardened steel construction delivers lasting durability in demanding shops. Precise metric fine thread verification (M12 x 1. 25,