JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M42 x 3 Hydraulic Expansion Chucks Benefits: The six-flute stub design

Benefits: The six-flute stub design supports stable hole finishing and efficient swarf removal when used in standard toolholders

The combination of a left-hand spiral flute and right-hand cutting enhances chip removal and bore quality

This reamer delivers precise hole finishing with a durable HSS (M2) construction and a straight shank that fits standard tool holders

it delivers consistent bore quality in demanding production or workshop environments

JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M42 x 3 Hydraulic Expansion Chucks Benefits: The six-flute stub designJBO Thread Plug Gauge (GO) Metric Fine Right Hand 6H M42 x 3 is a precision inspection tool designed to quickly verify threaded holes meet exact size and thread standards. Ideal for machinists, quality teams, engineers, and workshop hobbyists, it provides a fast, reliable check that holes are properly tapped and ready for assembly. Precise metric fine GO gauge for M42 x 3 righthand threads: ensures consistent, repeatable hole verification so you can