The series 511 Carbide Straight Shank Ratio Drill is ideal for the drilling of long and short-chipping materials. This includes structural and case hardened steels, cast steels, heat-treatable steels and alloyed steels with a tensile strength of up to app. 1200N/mm.

Features and Benefits
• High alignment accuracy with small diameter tolerance and excellent surface finish
• Point angle: 140°
• Diameter tolerance m7
• Shank tolerance h6
• 3xD
• Manufactured to DIN 6537