JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M120 x 4 Face Mill Arbors - Anti-Vibration The combination of left-hand flute

The combination of left-hand flute and right-hand cutting supports predictable chip evacuation and stable cutting performance

DIN 8089 and ISO H4 tolerance for precise sizing: Ensures consistent hole diameters and reliable results in every job

Designed to deliver tight ISO H5 (DIN 8051 B) tolerances at 13

It features a 2 mm diameter

right‑hand design with knurled grip: Provides comfortable handling

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M120 x 4 Face Mill Arbors - Anti-Vibration The combination of left-hand fluteThe JBO Thread Ring Gauge (GO) Metric Fine, Right Hand 6g M120 x 4 is a precision metrology tool designed to verify external thread diameters to metric fine standards. Its ideal for machine shops, manufacturers, quality control teams, and skilled hobbyists who need reliable, repeatable thread checks. Crafted for durability and accurate results, this gauge features a meticulous design with precise dimensions that support efficient inspection of