JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M120 x 4 Face Mill Arbors - Anti-Vibration Straight shank with spiral flute

Straight shank with spiral flute for versatility and clean finishes: Fits a wide range of toolholders and promotes fast chip evacuation to reduce clogging and rework

Flute Count: 2 flutes provide a balance of rigidity and efficient chip evacuation during cutting

HSS-E (M35 cobalt) construction for durability: Made from high-speed steel with cobalt to resist wear and extend tool life in demanding bore finishing

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

The Toolex Reamer is a straight‑shank carbide machine reamer sized at 9

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M120 x 4 Face Mill Arbors - Anti-Vibration Straight shank with spiral 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