BGTEC Serrated Carbide Masonry Drill Bit Set – 10PCS 3/16″*2,1/4″*4,5/16″*2,3/8″,1/2″ Wood Drill Bits for Wood Plastic Masonry Brick Tile Glass Concrete Marble 5mm*2, 6mm*4, 8mm*2, 10mm, 12mm 10

A 10-piece BGTEC carbide-tipped drill bit set with a crisscross serrated tip for cleaner starts on slick surfaces like tile and glass, plus deep spiral flutes for faster chip removal. Includes multiple sizes and a 1/4″ (6.3mm) quick-fit hex shank for broad drill compatibility.