Bosch Hammer Drill Bit Set HCBG05B25T 25 Pack 7 32 Inch Carbide Tipped Cutters (PowerGrip Hex Shank 6 Length Impact Concrete Brick Masonry Fastening) Dust Extraction Large Edge Round Over & Beading Large Edge Round Over & Beading Millwork: Shaping smooth 5 8 inch radius edge profiles along table tops and black iron gas pipes inside dark utility chases or narrow joist configurations Milled deep cut U flutes accelerate waste evacuation along the flute path Multi Grind Centering Point: Micro balanced sharp starter apex bites instantly into smooth brick or stone surfaces to safeguard absolute drilling coordinates and prevent bit walking