JBO Thread Plug Gauge (GO) - UNS - Right Hand - 2B - 1 7/8 x 12 Power Milling Chucks Variable Index Geometry: reduces cutting

Variable Index Geometry: reduces cutting forces and chatter while improving chip evacuation for smoother cuts and more efficient material removal

designed for machinists needing ISO H4 precision on a 19

Shank: Straight shank for stable clamping and easy setup

delivering reliable results across jobs and setups

and improve overall threaded-assembly quality

JBO Thread Plug Gauge (GO) - UNS - Right Hand - 2B - 1 7/8 x 12 Power Milling Chucks Variable Index Geometry: reduces cuttingThe JBO Thread Plug Gauge (GO) is a precision inspection tool designed to verify internal threads quickly and reliably. Sized for UNS right hand threads at 1 7 8 x 12 and class 2B, it helps manufacturers, automotive shops, and aerospace maintenance teams confirm hole acceptance during assembly and quality control. The GO design provides instant pass fail feedback, so you can identify properly formed threads at a glance. With a knurled, easy to grip