.060″x2.5″w1/4″SHANK .0781″

Metric Thread Ring Gage, M30 x 2, NO GO - 34-518-1 Certificate of calibration traceable to NIST Thread dimensions as per ISO 1502 M30 x 2 Thread, Single Ended, Ring Thread No Go Gage Thread Size M30 x 2 Style No Go Classification 6G Includes Certificate of