This tungsten carbide tipped countersink drill bit is ideal for use in cement sheet blue board, timber, plastic & abrasive materials.

• 1/4" hex shank suits quick change adaptors
• Tungsten carbide cutting edges for high wear resistance
• Removable multi-purpose drill for easy replacement
• Designed to drill screw pilot hole and countersink

If this product isn't right for you, Bowens stocks heaps of hand tools & accessories online for all kinds of jobs.