They help to align and steer the hole cutting tool as it descends through the workpiece, and in many scenarios these handy additions can eliminate the need to drill a preliminary pilot hole before making the main circular cutout. You’ll find these widely available on products released under many leading brand names - the question of who makes the best circle cutter bits is a subject for much debate, but common nominations for the title often include both Starrett hole saws and Lenox hole saws. They are compatible with most standard drill chucks, making them easy to use with your existing equipment. Generally speaking, the teeth on most masonry hole saws (sometimes referred to as ‘core drill bits’) will be more widely spaced than timber versions, and often diamond-tipped teeth for extra hardness and cutting power. A set of three tapered drill bits for drilling and enlarging holes in a variety of materials, especially thin sheet metal, fibreglass, upvc and most plastics.

Some hole saw designs also feature an arbor or pilot bit (either built-in or removable), which protrudes through the hollow centre of the hole cutter. Machine Mart Limited is authorised and regulated by the Financial Conduct Authority, register number 703528 and acts as a credit broker and not a lender. This Heller HSS Bi-metal Hole Saw is perfect for creating clean, circular holes thanks to its ingenious precision manufacturing. Most multi-purpose, universal or bi-metal hole saws will get the job done on most types of timber and sheet wood - although for extra efficient and tidy cutting of engineered woods such as MDF, you may also like to consider a brand that offers carbide-tipped teeth. As implied by the name, a hole saw is made to cut a circular hole of much wider gauge through a workpiece than standard drill bits can create on their own.

As with most power tool accessories, the key to choosing a high-end, well-made hole cutter is to look out for a combination of robust construction, quality materials and accurate, tidy machining. Whether you're working with wood, drywall, metal, or plastic, we are sure to have the right option for your job!

While collections of guidelines are seldom any match for hands-on experience in this department, there are some fairly universal techniques and basic user tips that all hole saw operators should bear in mind when approaching a new job. This Heller HSS Bi-metal Hole Saw is perfect for creating clean, circular hole thanks to its ingenious precision manufacturing.

One of the most popular glass cutting tools available at Dortech Direct Ltd is the diamond glass cutter. Our selection includes various sizes and shapes, allowing you to choose the perfect tool for your project needs. Hole saw cutters for sheet metals are generally manufactured to be extra robust, and can withstand the much higher temperatures generated by cutting through a range of common metals such as (stainless) steel.