ITEM NAME:5mm x 6mm 4 Flutes Straight Shank Milling Cutter End Mill Gray C6R5 5mm x 6mm 4 Flutes Straight Shank Milling Cutter End Mill Gray C6R5 4 flutes, coarse teeth, straight shank, deep helical groove. Used widely in the milling machines or machine tools for milling the steps, recesses, vertical plane surfaces, etc. Product Name: End Mill; Material: HSS Cutting Diameter: 5mm/0.197" Cutting Depth: 17mm/0.669" Shank Diameter: 6mm/0.236" Total Length: 56mm/2.2" Color: Gray; Weight: 11g Package Content: 1 x Straight Shank End Mill Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.