Chamfer Cutter Bit SetThe 1/4 inch shank chamfer cutter set are made of high speed steel with soomth finish, high hardness, rustproof, strong and durable. SizeHexagonal shank is easy to grip without burr and fluted edges.And the sizes: 5/46-15/64 width: 1/4inch; Width 1/8-11/32: 3/8 inch; 3/16-17/32 width: 0.59 inch. Scientific designtools Spiral fluted tools help evacuate chips and pull them out of the cut to reduce clogging. Main FunctionThe countersink deburring drill bit can be used to deburr cross holes, deep holes, straight edges, edges s curves. Available for MDF, Plywood, Acrylic, PVC Board, Plastic and Soft Metal. Buy with ConfidenceWe offer "TWO YEAR" Warranty on items that confirm manufacturer defect. Suitable for cutting steel, wood, plastic and light metals. Specifications: Name: Debur Milling Set Balance: Tolerance +/- 003" Material: 4241 High Speed Steel Color: Gray Package Includes: 3 x Debur Milling Bits chamfer deburring