JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 3B - No. 5 x 40 ER Collet Chucks This reamer helps you achieve

This reamer helps you achieve precise bore quality with fewer rework steps

while the geometry promotes steady performance and repeatable finishes—from initial passes to final finishing cuts

DIN standard: Similar to DIN 212 B

With the Reduction Sleeve

JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 3B - No. 5 x 40 ER Collet Chucks This reamer helps you achieveThe JBO Thread Plug Gauge UNC Go No Go Right Hand 3B No. 5 x 40 is a precision inspection tool designed to quickly verify internal UNC threads in holes and bores. With its dual ended Go No Go design, it lets technicians, engineers, and inspectors confirm whether a threaded feature meets the Unified thread standard and is fit for purpose, helping to prevent mismatches in assemblies and fastener failures. Dual ended Go No Go design: allows fast pass