Sidley Diamond Tool

When Sidley Diamond Tool Company came into existence in 1956, we knew the needs of the industries we supplied were ever-changing. Our engineers have kept that in mind over the years and focused on progressive change and innovation. Sidley Diamond has over 65 years of design and drafting experience to engineer products to customer specifications. We use state of the art design software and a long history of successful diamond and CBN recipes to create the perfect dressing conditions.