Allied Machine & Engineering 152H-0112-TC, Replaceable Drill Insert, Series: 2, 34.93 mm Insert, 3/16 in Thickness, Tiny Chip Chipbreaker, 132 deg Included Angle, For Use On: High Temp Alloy, Hardened Steel, Steel, Cast Iron, Aluminum, Stainless Steel, Super Cobalt, AM200®

The Original T-A spade drill is an excellent choice for general purpose drilling. The design provides fast penetration rates that produces good hole size and finish. Standard geometry combines highly efficient and stable cutting action to minimize power consumption. Recommended for use in most steels including 4150, cast irons, high-temperature alloys and aluminum alloys.