Amana tool 51688 SC Spiral for Steel, Stainless Steel & Non Ferrous Material 5/16 D x 7/8 CH x 5/16 SHK x 2-1/2 Inch Long Spade Dril / CNC Router Bit

118° Point Used to drill very short, shallow holes in hard (or hardened) steel.They can be used either in CNC or drill presses. Note: Make sure your drill press runs fast and has a tight spindle. Excellent for: Stainless Steel Steel Cast Iron Titanium Non-Ferrous (Aluminum, Brass, Copper) Cermet* *Cermets are composites in which ceramic materials and metals join together. WARNING! Inspect cut quality and adjust feed and speed accordingly. Care should be taken to observe proper feeds and speeds according to the workpiece material to avoid damage. Note: For optimal results and extended tool life use mist lubricant system or air cooling.