Manufacturer Part Number: 329-4|Internal Thread Size|1/4-20External Thread Size|7/16-14Insert Length (mm)|Insert Length (Inch)|7/16Insert Length (Decimal Inch)|0.4370Material|Carbon SteelThread-locking Insert Type|Self-Lock WallThread Standard|UNCMaterial Grade|C12L14Internal Thread Class of Fit|2BExternal Thread Class of Fit|2APassivated|Tensile Strength (Lb.)|5033Installation Tool Compatibility|For Tap Type|StandardThread Spacing|Standards|Coating/Finish|Smooth; RolledIncludes|Number Of Pieces|Product Service Code|UNSPSC Code|