Industrial Grade Core Box Router Bits. 7pcs 1/2 Shank Grooved Core Box Router Bit Set: 1pcs 25.4mm Drill Bit, 1pcs 28.6mm Drill Bit, 1pcs 31.75mm Drill Bit, 1pcs 34.9mm Drill Bit, 1pcs 38.1mm Drill Bit, 1pcs 41.3mm Drill Bit, 1pcs 50.8mm Drill Bit.<br> Sturdy hardened steel body with anti-rebound design. Build-up and heat-resistant coating. Carbide tip for increased speed and life, , hardened and sharpened.<br> High quality carbide, and smooth cutting, reducing the possibility of burrs; increased speed and life, hardened and sharpened.<br> This round nose groove core box router bit is suitable for solid wood, laminate, MDF, plywood, etc. Create very smooth cuts. Designed for woodworking enthusiasts or .<br> High hardness alloy material, fast cutting speed, strong and ; round nose router is used for cutting, beading, grooving and general decoration. Router bits are used with CNC and other automatic routers, handheld and benchtop portable routers.<br> <br> Colour:Blue<br> Material:Cemented Carbide<br> <br> Package Contents:<br> 7 * Woodworking half circle relief drill bit<br> <br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.