The Draper Masonry Series Drill Bits Are Heavy-Duty And Precise. Made From An Alloy-Steel With A Professionally Ground Tungsten Carbide Tip For A Faster Cut And Longer Service Life. The Precision Ground Flutes With 135° Tip Angle Ensures Efficiency When Drilling Into Dense Building Materials. Suitable For Use With Concrete Brick Stone Slate And All Masonry. Compatible With A Standard 10/13Mm Chuck.PTDDRPDIR14325
