Draper Diamond Core Bit

This 48 x 170mm diamond core bit offers a versatile mid-range diameter that's perfect for medium-sized service installations, including waste pipes, larger electrical conduits and ventilation ducting. The 48mm diameter strikes an excellent balance between drilling speed and hole size, making it a popular choice for general building and installation work. Featuring laser-welded diamond segments, this bit delivers enhanced durability and cutting performance across brick and concrete block applications. The 1/2" BSP threaded arbor connection ensures compatibility with professi