C-utting Diameter : 5mm/1/4;C-utting Depth : 24mm/ 1 Overall Length: 2 3/4; Shank Diameter: 3/8; Cutting Diameter: 3/8; Flutes: 4-Flute; Cutting Depth: 25mm/ 1; Product Name Aexit 4Pcs High Speed Steel HSS 4 Flute End Mill Milling Cutter 5mm x 6mm (ebf41ded26c590dac4b10c06dc66e801)4 flutes, coarse teeth, straight drill hole, deep helical groove. HSS-AL End Mill Cutter 4-Flute Milling Cut Bit Option: 2-25MM End Mill Set Vikda HSS Co Router Bits Single Flute End Mill Milling Cutter - End End Mill Cutter Product Name : End Mill Cutter;Material : HSS Buy Aexit 4Pcs High Speed Steel HSS 4 Flute End Mill Milling Cutter 5mm x 6mm (ebf41ded26c590dac4b10c06dc66e801) at UK. Free delivery on eligible orders Used widely in the milling machines or machine tools for milling the steps, recesses, vertical plane surfaces, etc. Comes with a blue plastic case, it can hold the mill cutter well, avoid accidental I-njury.