Working Gage, Steel, 5/16-18, STANLEY ENGINEERED FASTENING, Mfr# 3688-5

Thread Gauge, Compatible External Thread Size 5/16 In.-18, Compatible Insert Diameter Not Applicable, Compatible Insert Length Not Applicable, Compatible Insert Material Not Applicable, Compatible Insert Style Tanged, Tangless, Compatible Insert Type Helical Inserts, Compatible Internal Thread Size 5/16 In.-18, Compatible Thread Direction Right Hand, Compatible Thread Type Coarse, Material Steel, Overall Length 4 in, System of Measurement Inch, Tool Type Thread Gauge, Includes -