For general purpose drilling in both metal and wood, these drill bits have a phosphor black finish, reduced shanks and an overall length of 165mm
(6??in). For use in bench and power drills equipped with 13mm chucks and variable speed which avoids overheating. It is always best to use a cutting
lubricant when drilling metal.
Bit Diameter. 3/4in.
Overall Length. 6.1/2in.