Manufacturer Part Number: 215-065903|Internal Thread Size|5/16 in-18External Thread Size|1/2 in-13Insert Length (mm)|11.00Insert Length (Inch)|Insert Length (Decimal Inch)|0.4300Material|Carbon SteelThread-locking Insert Type|Heavy-Duty KeylockingThread Standard|UNCMaterial Grade|C1215Internal Thread Class of Fit|2BExternal Thread Class of Fit|2APassivated|Tensile Strength (Lb.)|Installation Tool Compatibility|For Tap Type|Thread Spacing|Standards|NAS 1394Coating/Finish|Zinc PhosphateIncludes|Number Of Pieces|Product Service Code|UNSPSC Code|23291804