Holesaws & Arbors A complete range of professional quality Holesaws and accessories from brand leaders including Bosch, Morse and Starrett.A hole saw is ideal for when you need to drill a larger hole than standard drill bit sizes. Available in many sizes from 14mm up to 210mm depending on the job you need to do you will be able to select the correct size. For drilling in to Metal, Plastic, Wood, Ceramics and various other materials. Also available in assorted sets which come with a range of the most popular sizes, particularly suitable for the electrician and plumber. We also supply the arbours, extensions and replacement pilot drills to suit.