JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M18 x 1.5 M&D The reamer is designed to

The reamer is designed to finish drilled holes to a strict H4 tolerance

Left-hand spiral flute with right-hand cutting: efficient chip evacuation and smoother bore finishes during reaming with typical clockwise operation

Size and standards: 29

It’s well-suited for demanding applications in machining where precision

enabling consistent cutting behavior under demanding speeds and feeds

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M18 x 1.5 M&D The reamer is designed toThe JBO Thread Ring Gauge (GO) Metric Fine Left Hand 6g M18 x 1. 5 is a purpose built tool for precise checking of external threads on components across manufacturing and assembly lines. This GO gauge helps inspectors quickly confirm whether a part meets the exact diameter, pitch, and thread form required for reliable mating with nuts, bolts, or threaded inserts. Weighing just 6 g and crafted for metric fine threads, this gauge is designed for left