A diamond blade is typically a steel disc with fine diamond grit bonded to its outer edge. Moving in a grinding action, diamond blades cut through hard materials such as concrete, asphalt, brick, natural stone and other building materials. Diamond blades are used exclusively in demolition roading and tuckpointing applications – to name a few. When it comes to cutting through abrasive materials, you need a blade that delivers fast, clean cuts – and plenty of them. Allfasteners diamond blades are made tough to last through a variety of applications.