[Router Bit Size] Countersink router bits with radius sizes: 1/8" (3.17mm), 3/16" (4.76mm), 1/4" (6, 35mm), 5/16" (7.93mm) and 6mm stem<br> [Premium Material] Solid 45<br> hardened steel rods and C3 micro-grain tungsten carbide burrs, high-tech special grinding process and advanced spray coating technology with anti-kickback design<br> [Application] Roundover Edging router bits are used for edging, these bits can also be used to create miter joints of different angles. Ideal for combined plunge cutting and pattern/pattern routing<br> [Range of use] Top bearing rounding edge forming cutter set is used for wood, MDF, laminate, particle board, plywood compact board, acrylic, etc. .<br> [What You Get] 6mm Round Shank Multi-Purpose Burr Set of 4<br> 6mm Shank Rounded Over Bit, 4PCS Rounded Corner Edge-forming Bit Set Woodworking Milling Cutter Tools for Cutting, Threading, Chamfering<br> Industrial grade micro-grain carbide tips; Baked-on heat-resistant coating prevents buildup of sawdust, resin and pitch<br> Top bearing rounding edge forming bit creates smooth rounded edges on boards and panels<br> Roudover Edge Router Bits are ideal for combination plunge cutting and pattern/pattern routing<br> Chamfer bits can be used without the bearing like a standard straight bit<br> Carbide router bits have 2 regular blades which can be especially handy in a router table on CNC, table-mounted and handheld routers<br> Specification:<br> Item Type: Corner Rounding Router Bit<br> Body Material:<br> 45 Carbon Steel<br> Stem Diameter: 6mm<br> Blade Material: YG8 Alloy Carbide<br> Radius: 1/8"(3.17mm),3/16"(4.76mm),1/4"(6.35mm),5/16"(7.93mm)<br> Package includes:<br> 4pcs x Round Router Bit<br> Note<br> Always wear goggles and use hearing protection equipment when working<br> Always use the safety cover provided by the benchtop router table