3/4 16 UNF 3B Reversible Friction Member ( no handle) allowing the thread gage member to be reversed when one end becomes worn tool steel cold stabilized thread plug Rc 60-62 work plug Optional handles can be marked with 15 characters at no additional cost Inch handles will be light blue metric yellow Certificate of Accuracy is included NOTE: selection of a 2B or 3B is based on your requirements. A 2B class plug will have a larger pitch diameter for the NoGo thread Reversible Member only. The Go member is the same regardless of the class chosen. These plugs use a reversible handle design. Certificate of Accuracy is included.Click HERE to read about additional Long Form Cert.
)
