Series 618 HSS-Co High Helix (Parabolic Flute) Straight Shank Extra Length Drills - Inch

High heat resistant drill with wide chip space for very deep holes in difficult conditions, such as when swarf congestion hinders the flow of coolant to the drill point or when tool overheating arises from other causes. For use in steels and cast steels of high tensile strength (not suitable for lubrication holes in crankshafts).

Features
• Manufactured to DIN 1869
• Shank tolerance h8
• 130° Point angle
• Web thinning >2.70
• 15xD
• Straight shank , Extra length
• Increased wear resistance
• Sizes 1/8" to 3/8"