Facom 229 A. ST1 Step Drill Bit 4 6 8 10 12 14 16 18 20 mm

Multi-chamfer step drill | Cutting surface 4 - 20 mm Product thicknesses: For accurate, cylindrical drilling in all materials | Pre-drilling not required | Cross grinding: self-centring | More aggressive in cut: less effort for the user, no burr formation | Better chip ejection | Less vibration | quieter | Cylindrical shaft with 3 flanks for 3 Safe, even drive. Laser marking in a groove for marking the different diameters. . Technical data: |d min. - Max. [mm]: 4 - 6 - 8 - 10 - 12 - 14 - 16 - 18 - 20 | d1 [mm]: 8 | L [mm]: 75 | [g]: 65 D min. - Max. [mm]: 4 - 6 - 8 - 10 - 12 - 14 - 16 - 18 - 20 D1 [mm]: 8.L [mm]: 75 [g]: 65.Better chip ejection.Low vibration, quieter.Cylindrical shaft with 3 flanks for safe, even drive.Laser marking in a groove for marking the different diameters.Power source: hand-operated, Weight: 0.1322773572 pounds, Manufacturer: Facom