Manufacturer Part Number: C54148|Tap Type|StandardThread Size (Inch)|#4-40Overall Length (Decimal Inch)|1.8750Overall Length (mm)|Thread Size (mm)|Thread Standard|UNCChamfer|BottomingMaterial|High Speed SteelCoating/Finish|Bright/UncoatedThread Direction|Right HandCoolant Through|NoClass Of Fit|2B; 3BThread Limit|H2Number Of Flutes|2Oversize|NoThreads per Inch|40Thread Pitch (Decimal Inch)|Thread Pitch (mm)|Thread Pitch (Inch)|75% Thread Drill Size|Thread Length (Decimal Inch)|0.3100Thread Length (Inch)|Thread Length (mm)|Material Grade|Overall Length (Inch)|1-7/8Thread Depth (mm)|Thread Depth (Decimal Inch)|Amount Oversize (Decimal Inch)|Application|Blind Hole Threading; Through-Hole ThreadingShank Diameter (mm)|3.58Shank Diameter (Decimal Inch)|0.1410Tapping Depth (mm)|Tapping Depth (Decimal Inch)|Square Length (mm)|4.76Square Length (Decimal Inch)|0.1875Square Length (Inch)|3/16Square Size (mm)|2.79Square Size (Decimal Inch)|0.1100Material Application|Alloy Steel; Aluminum; Carbon Steel; Free-Machining Stainless SteelSeries|1003Neck Length (Decimal Inch)|Neck Length|Neck Length (Inch)|Shank Length (mm)|Shank Length (Decimal Inch)|Product Service Code|UNSPSC Code|