Product Details: Manufacturer Part Number: R52001290|Nut Type|Serrated FlangeMaterial|SteelThread Size|3/4-10Flange Diameter (Inch)|1-1/2Flange Diameter (Decimal Inch)|Flange Diameter (mm)|Flange Height (Decimal Inch)|0.6750Flange Height|Flange Height|0.6750inFlange Height (mm)|Nut Height (mm)|Nut Height (Decimal Inch)|Material Grade|2Thread Direction|Width Across Flats (Inch)|Width Across Flats (mm)|Width Across Flats (Decimal Inch)|Thread Standard|Thread Fit Class|Standards|Minimum Width Across Flats (Decimal Inch)|1.0880Maximum Width Across Flats (Decimal Inch)|1.1250Minimum Height (Decimal Inch)|0.6270Minimum Flange Diameter (Decimal Inch)|1.4600Maximum Flange Diameter (Decimal Inch)|1.5000Hardness|78-90 HR15NFastener Standard|Width Across Points (mm)|System Of Measurement|InchHeight (mm)|Finish Coating|ZincMaximum Height (Inch)|0.6750Height (Inch)|Type|Serrated Flange NutAdditional Information|Product Service Code|UNSPSC Code|31161712