产品描述：
SwissTech High Helix Quick Spiral Drills for Aluminium HSS-Co 8%
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 DIN338RN.
Series 1012 - Metric