General description 90° Single Edge Chamfer drill bit set is a great accessory for any workshop. Made from heat-treated and tempered high carbon steel with a titanium nitrate coating, these bits provide superior cutting power and durability. This set is backed by a manufacturer's lifetime warranty. Technical specifications Material: HSS Drill Chamfer Drill Body: #45 Steel Chamfer Angle: 15 degrees Sizes: 3mm to 10mm Package includes: 7 x Wood Chamfer bits, 1 x L Wrench Usage These drill bits can be used on various materials including steel, aluminum, other metals, plastic, and wood. They are ideal for enlarging or countersinking holes and deburring edges.