Item #: 78513777Brand: Precision Twist DrillModel #: 016490 Features and Benefits Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys. Oxide/gold finish provides a polished finish and prevents chip building, galling and welding on a workpiece. It is commonly used on low carbon, stainless steel and ferrous metals. Spiral flutes are constructed with a higher flute angle to remove chips more easily. Product Specifications Drill Bit Size (mm) 9.00 Drill Bit Size (Decimal Inch) 0.3543 Drill Point Angle 135 Drill Bit Material Cobalt Drill Bit Finish/Coating Oxide/Gold Flute Type Spiral Cutting Direction Right Hand Shank Type Straight Coolant Through No Flute Length (Inch) 3-3/16 Flute Length (mm) 81.00 Overall Length (mm) 125.00 Overall Length (Inch) 4-59/64 Point Type Split Point Spiral Type Regular Spiral Specification Designation DIN; NAS Web Configuration Tapered Web Thinning Web-Thinned Specification Number DIN 338; NAS 907 Drill Bit Grade Heavy Duty Series/List 2ACO
