T&F Cross Hole Countersink Drill Deburring Set, 3 Pieces, 90 Degree Bit Sets for Chamfer Metal Wood with 1/4 Inch Hex Shank

【Countersink Debur Kit】1/4 inch shank countersink debur bits are made of high-speed steel with a smooth finish, high hardness, rust protection, strength and durability. 【Size】 The hex shank is easy to grip without rattling and ribbed edges. And the sizes: 5/46-15/64 width: 1/4 inch; 1/8-11/32 width: 3/8 inch; 3/16-17/32 width: 0.59 inch. Scientific design: Spiral ribbed tools help remove shavings from the cut to avoid blockages. 【Great Tool】Smooth surface, durable and suitable for cutting metal, wood and plastic quickly and easily. 【Main Function】Countersink drill can be used for deburring cross holes, deep holes, straight edges and curved edges. Available for MDF, plywood, acrylic, PVC board, plastic and soft metal.