Application: Highly effective in machining various types of Steel, such as Alloy Steel (HB 125 - 430), Stainless Steel (HB 200 - 300), and various Cast Iron (HB 155 - 265). High precision Ball nose: SHARPRO ball end mill showcases a high-precision ball-nose end edge with a nearly perfect circular shape, the error confined within -0.02mm. Thus, it is ideally apt for precision machining of curved surfaces. Heat-resistant: It is AlCrN coated and can provide stable and precise machining under high-temperature conditions. Compatibility: Compatible with CNC milling machines, CNC machining centers, and milling machines. It can be used for plunging applications. Brand: High quality is guaranteed by SHARPRO. Our factory is equipped with automation machines of top global brands. The unique serial code at the unit level enables quality tracking throughout the production process. SHARPRO Carbide Ball Nose End Mill 1/4 Inch Shank and 1/4 Inch Cutting Dia. 2 Flute AlCrN Coated CNC Router Bits for Alloy Steel, Stainless Steel, Cast Iron and Aluminum Cutting