Spearhead Tool Company specializes in providing jewelers supplies such as High Speed Burs and Carbide Burs for jewelry and industrial manufacturing. Their products, including M2 High Speed Steel burs with a Rockwell hardness of 63-65, cater to manufacturing jewelers, diamond setters, and tool and die-makers. Spearhead offers a variety of burs like 90° Bearing Cutters, 45° Bearing Cutters, Setting, Round, Bud, Cone, and Flame burs. They also provide Tungsten Carbide Burs that are durable and can cut through glass, outlasting carbon steel burs. Additionally, Spearhead Tool Company offers a regrind service for their burs, allowing customers to get a 'like-new' bur at a fraction of the price.