Dormer A777 Hsco Heavy-Duty Jobber Drill 4.50Mm Ol:80Mm Wl:47Mm DOR450COB

... - Manufacturers part numbers: A7774.5|A77745

• Heavy duty design - Recommended to be used for difficult materials and applications
• Premium HSCO material - Can be used for drilling hard materials including tool steels
• Improved accuracy - with more accurate holes and a better quality of finish
• Bronze oxide finish - Prevents work piece material from sticking to the cutting edge
• 190 degree split point - helps with self-centering and reduces the push force required