5 PCS Dia 1/4" 3/8" 1/2" 5/8" 3/4" Roughing End Mill Square 4 Flute M42 Perform 6000 BIG Capacity Deep

BIG Capacity Deep

The surface of the standard firmware is galvanized

Indicating DRIERITE is blue when dry and changes to pink upon absorption of moisture

and inspection dimensions

5 PCS Dia 1/4" 3/8" 1/2" 5/8" 3/4" Roughing End Mill Square 4 Flute M42 Perform 6000 BIG Capacity Deep[Material]: Made of M42 8% cobalt high speed steel to ensure durability when cutting hard materials. [Package]: includes 5 different sizes: 1 4", 3 8", 1 2", 5 8" and 3 4" Dia. [4 Flute Design]: The 4 flute design is well suited for machining various hard materials due to its excellent chip removal capability. [Coating]: The TiAlN coating enhances tool life by providing excellent wear and heat resistance. [Application]: Ideal for precision milling.