JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M34 x 1 Hex Key Drill Chuck using an intermediate HSS (M2)

using an intermediate HSS (M2) alloy with a left-hand spiral flute and right-hand cutting

and good heat tolerance for demanding machining cycles

true bores in a variety of materials

Durable ER25 (JIS) construction: Built to endure daily use with high-quality materials and precise tolerances

The reamer’s precise construction supports consistent bore size and smooth finish

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M34 x 1 Hex Key Drill Chuck using an intermediate HSS (M2)The JBO Thread Ring Gauge (NoGo) in Metric Fine with a Right Hand orientation and M34 x 1 size is a precision tool designed to verify external threads quickly and reliably. Ideal for quality control teams, machinists, maintenance technicians, and hobbyists who work with metric fine thread fasteners, it helps confirm that threads meet exact specifications without slowing down production or assembly processes. Crafted from hardened steel for long