Manufacturer Part Number: C50000146|Thread Size|3/8-16Thread Length (Decimal Inch)|Thread Standard|UNCHead Type|FlatHead Diameter|1.3120 to 1.3520 in; 1-5/16 inHead Height|Material|SteelMaterial Grade|Grade 2Finish|Thread Style|Thread Direction|Thread Fit Class|Tensile Strength|Length Under Head|1-1/4 inStandards|Head Diameter (Decimal Inch)|1.3120 to 1.3520Head Diameter (Inch)|1-5/16Hardness|Thread Length|UNSPSC Code|