21/64" X 3/8" HSS 4 Flute Double End End Mill BoltsandNuts.com Size 5/16"-72

Size 5/16"-72

while the addition of cobalt enhances hardness and heat resistance

Part Number D/ACO33/64

Included adhesive pads help keep the block from moving

Part Number: EZ-EK30615

21/64" X 3/8" HSS 4 Flute Double End End Mill BoltsandNuts.com Size 5/16"-72Product Description High speed steel end mills are reliable tools designed for versatile milling applications. Known for their toughness and durability, these end mills provide excellent cutting performance and longevity across a wide range of materials. They can be used for general purpose milling including profiling and open ended slots and keyways. Brand Drill America Part Number DWCF210A Size 21 64" Material High Speed Steel Flute Length 3 4"