Swiss Tech Jobber high helix for aluminium DIN 338 Cobalt HSS Bright 8,50MM

HSS-Co Straight Shank High Helix Drills. High helix drills, to drill long-chipping materials like aluminium, aluminium alloys, copper and plastics. Point angle: 130°. Helix angle: high. Web thickness: normal. Relief angle: normal. Tolerance of diameter: h8. Tolerance of shank: f11. Manufactured to DIN 338 RN.