BOSCH 2608597202 Wood Drill Bit - 18mm x 180mm - Suitable for hard and soft wood, plywood and veneers. Drill with center point and with high cutting performance - also suitable for use in cordless tools. Diameter (D) 18mm - Working length (L1) 130 mm - Total length (L2) 180 mm - Shank Diameter (d) 10mm.