Thread Gauge Compatible External Thread Size M4-0.70 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 M4 Compatible Thread Direction Right Hand Compatible Thread Type Coarse Material Steel Overall Length 4 in System of Measurement Metric Tool Type Thread Gauge Includes - Series Heli-Coil