Mesee 5 Pieces T-Slot Router Bit Set, 1/4 Inch Shank T Slotting, 5/8" Hex Bolts Mesee 5 Pieces Key Hole Router Bits 1/4 Inch Shank T Track Slotting Router Bit Set Woodworking T-Slot Milling Cutter for 5/16", 3/8", 1/2", 7/16" 5/8" Wood Hex Bolt ? Industrial grade C3 micro-grain tungsten carbide blades, trepanning more sharp edge, smooth cutting, beneficial to chip removal. ? Solid hardened steel bodies with anti-kickback design for maximum strength and durability, meet the high demands of woodworking. ? These T-slot cutters can be used for slotting a wide range of materials including density board, solid wood, MDF, chipboard, plywood, etc. ? Enable woodworkers to drill holes without passing through the material when a clean and precise bottom to a hole. Creates very nice clean cuts with minimal touch-up sanding ? Perfect T-Slot router bits to DIY keyhole slots for picture frames, shelves, mirrors, cabinets, support fixtures, and other wall hangings. Great for wood perforation, spherical door tip installation, and drawer tips. ?Warm Tips: Don't cut ferrous metal and nonwood materials, such as steel, iron, sand, etc. Please keep them away from children to avoid getting hurt, because this cutter is sharp enough. Please wear good protective measures during use, in case of wood chips splash damage to the eyes. ?Specification: Body Material: Solid hardened steel Blade Material: High-grade YG6X Carbide Shank Diameter: 1/4''(6.35mm) Blade Diameter: 5/16"(8.0mm), 3/8"(9.52mm), 7/16"(11.1mm), 1/2"(12.7mm), 5/8"(15.9mm) ?Package Included: 1 x T-Slot Cutter for 5/16" Hex Bolt 1 x T-Slot Cutter for 3/8" Hex Bolt 1 x T-Slot Cutter for 7/16" Hex Bolt 1 x T-Slot Cutter for 1/2" Hex Bolt 1 x T-Slot Cutter for 5/8" Hex Bolt Set of 5 pieces T-slot keyhole router bit with 5 different sizes to suitable for 5/16", 3/8", 1/2", 7/16" 5/8" hex bolt Industrial grade C3 micro-grain carbide blades with high performance, sharper to cut solid wood, particleboard, MDF, plywood, etc. 1/4 Inch shank T-slot router bits, suitable for CNC and other automatic routers as well as hand-held and table-mounted portable routers. Perfect T slotting cutters can enable woodworkers to drill holes without passing through the material when a clean and precise bottom to a hole. Designed for cutting long t slots as well as to make keyhole slots for hanging purposes, suitable for wood perforation, spherical door tip installation, drawer tip