5 & 5.5mm SDS plus 3 Masonry Long Life Drill Bits
These SDS drill bits from Bosch are made for use with masonry and brick work. They are made of strong materials and are expected to have a longer life than standard drill bits. These drill bits are great for drilling pilot holes, plug holes and wire pass through as they are a great general purpose masonry drill.
These drill bits come in sizes 50/110mm and 100/160mm for both diameters and are sold per 1.