Dapetz 48mm x 150mm diamond core hole saw hex arbor pilot hole drill brick
High performance dry cutting diamond core drill kit includes hex arbor and 8mm tapered guide drill 12 bsp threads cut clean accurate holes through bricks blocks producing exact size holes with almost no break out core 1 x diamond core 117mm diameter x 150mm long drill 1 x hex arbor 1 x guide remover tool see more product details