Combo Drill & Reamer: 2.141" Flute Length, 4" OAL MPN:257-2180

Threaded Ring Gage: M4.5 x 0.75 Thread, Metric, Class 6G is a high precision measuring tool designed for verifying the external threads on metric bolts or screws per DIN or ISO standards. Made from high quality steel alloy and finished to a super fine tolerance class 6G, it delivers accurate measurements every time while withstanding heavy-duty use in manufacturing environments. It features an easily identifiable black oxide finish for ease of identification during inspection processes. Typical users of this gage include quality control inspectors, machine shops, aerospace manufacturers, automotive parts suppliers and any other industry that requires precise measurement and verification of external thread dimensions.