JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M115 x 4 End Mill Holders 5 threads (6H tolerance)

5 threads (6H tolerance)

5 precision rating to ensure smooth rotation and minimal runout

controllable bore finish

and keeps your work area clean

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 5 threads (6H tolerance)The 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