Dormer A777 HSS-E Cobalt Jobber Drill Bits 11.5mm Pack of 5

... - Manufacturers part numbers: A77711.5|A777115

• For use on machines or hand held applications
• Bronze finish identifies Cobalt based substrate and reduces built-up-edge
• Heavy Duty design provided increase strength for drilling difficult materials
• 135 degree split point provides self centering, low thrust and easier penetration
• High Speed Cobalt (HSCo) provides superior hot hardness when drilling