JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M115 x 4 End Mill Holders improving surface finish and enabling

improving surface finish and enabling faster

smooth holes with reliable repeatability in production or repair settings

and keeps your work area clean

accurate holes in small-diameter workpieces

The combination of a straight shank and left-hand flute aids stable cutting and precise finish

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M115 x 4 End Mill Holders improving surface finish and enablingThe JBO Thread Ring Gauge (GO) Metric Fine, Right Hand, M115 x 4 is a precision tool designed to verify external thread diameters quickly and reliably. Its ideal for machine shops, automotive and aerospace maintenance, quality control labs, and serious hobbyists who need confident, on the spot thread checks to ensure parts meet the M115 x 4 standard. Crafted from hardened steel, this GO gauge delivers outstanding durability and wear resistance in busy