JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M56 x 1.5 Power Milling Chucks Coating: Uncoated surface finish to

Coating: Uncoated surface finish to promote better chip flow and reduce friction

5 tolerance reduces runout

and serious hobbyist work

This reamer is built to deliver precise bore dimensions with consistent finish

Durable HSS (M2) construction: Built for longevity and reliable performance across a range of metals

JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M56 x 1.5 Power Milling Chucks Coating: Uncoated surface finish toThe JBO Thread Plug Gauge (NoGo) Metric Fine Left Hand 6H M56 x 1. 5 is a precision inspection tool designed to verify metric fine threaded holes. Ideal for machinists, inspectors, manufacturers, and maintenance professionals, it helps you confirm hole size quickly and with confidence to keep parts within specification. Metric Fine precision for M56 x 1. 5, 6H: Calibrated for metric fine threads, enabling accurate NoGo checks of threaded holes to the