JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M68 x 1.5 FHH This reamer finishes holes to

This reamer finishes holes to tight tolerances with a stable diameter and clean surface finish

it conforms to BS 328/4 taper standards and ISO H5 tolerance (-0 +

and the through-coolant design directs coolant and chips efficiently to maintain surface quality

Durable hardened steel construction: Built to resist wear and maintain accuracy with daily handling

Durable HSS-E construction with easy mounting: M35 Cob alloy offers wear resistance and heat tolerance

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M68 x 1.5 FHH This reamer finishes holes toThe JBO Thread Ring Gauge (NoGo) Metric Fine, Right Hand, 6g, M68 x 1. 5 is a precision tool designed to verify external thread diameters with reliability. Its ideal for manufacturers, machinists, quality teams, engineers, and hobbyists who need fast, accurate checks to ensure parts meet exact size requirements. Manufactured from hardened steel, this gauge offers exceptional durability and wear resistance for long service in demanding work