25L Depth High Speed Steel Hollow Drill

Product Information： Shank Type: Straight Shank Cooling type (internal cooling/external cooling): internal cooling Cutting diameter (mm): 12 Shank diameter (mm): 19 Chip flute length (mm): 25 Useful length (mm): 25 Overall length (mm): 64 Outer edge angle (°): 45 Material: high speed steel Maximum depth of cut: 25 Blade size: 4 Category : Reaming drill Blade diameter: 4 (mm) Blade length: 25 (mm) Overall length: 64 (mm) Shank diameter: 19 (mm) Packing List： 1*  Drill