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33 Twist drills Twist drill HSS DIN 338 SMART STEP The manually operated highperformance drill with unique SMART STEP technology from dia 2 5 mm for highprecision circular drill holes in steel up to 1000 Nmm 2 aluminium plastic nonferrous metals hard and soft wood • The first twist drill with stepped drill bit tip geometry • Precise circular holes without a centre punch • Significantly quicker than conventional ground twist drill Suitable for machine type Drill Cordless screwdrivers Pedestal drilling machine Material to be processed Steel Cast iron Nonferrous metal Wood Hardwood Quality ZEBRA-Premium Standard drilling depth DIN 338 5xD Chip flute length l2 12 mm Shank style Cylindrical Surface Multiple refined Cutting material HSS Type SMART STEP Service life ●●●○ Drilling speed point system ●●●● Bore hole quality point system ●●●● Versatility ●●●○ Drilling behaviour point system ●●●● Selfcentring Yes Suitable for tensile strength up to 1000 Nmm 2 Color Coding System ▉ Nonferrous metal ▉ Steel ▉ Wood ▉ Hardwood Art no 0624 93 Available in different versions Diameter 1 to 13 mm Length 34 to 151 mm P Qty 10