Item #: 42794370Brand: GuhringModel #: 9044093127000 Product Specifications Thread Size (Inch) 1/2-20 Thread Standard UNF Chamfer Modified Bottoming Material Cobalt Thread Limit H3 Class Of Fit 2B/3B Coating/Finish Oxide Thread Direction Right Hand Coolant Through No Number Of Flutes 3 Material Application Aluminum; Brass; Gray Cast Iron Flute Direction Right Hand Helix Angle 40 Proprietary Coating/Finish Oxide Oversize No Primary Workpiece Material Aluminum & Non-Ferrous; Stainless Steel; Cast Iron; Steel Threads per Inch 20 Thread Length (Decimal Inch) 0.5110 Overall Length (Decimal Inch) 3.3810 Primary Workpiece Material Code P; K; M; N Application Blind Hole Threading Shank Diameter (Decimal Inch) 0.3670 Tapping Depth (Decimal Inch) 0.4531 Square Size (Decimal Inch) 0.2750 Flute Style Fast Series 4409 UNSPSC Code 23241600