JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6G - M42 x 1.5 Face Mill Arbors - Through Coolant Material: HSS-E (High-Speed Steel with

Material: HSS-E (High-Speed Steel with cobalt) for enhanced heat resistance and durability

Helix angle: 55° to promote smooth cutting and aggressive chip removal

and a clear size for quick identification

is a precision collet designed for tapping tasks using ER32 tool holders

JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6G - M42 x 1.5 Face Mill Arbors - Through Coolant Material: HSS-E (High-Speed Steel withThe JBO Thread Plug Gauge (GO) Metric Fine Right Hand 6G M42 x 1. 5 is a precision GO gauge designed to verify threaded holes to metric fine standards. It serves machinists, inspectors, engineers, and maintenance technicians by providing quick, reliable checks that a hole meets the required thread specification for assembly and function. Crafted from hardened steel, this plug gauge offers excellent wear resistance and long service life in demanding