【Router Bit Size】Shank dia.: 6mm; cutting diameter: 13mm/15mm/16mm/18mm/20mm; cutting height: 10mm/11.5mm/12mm/12.5mm/13mm. 【Premium Material】All the router bit blade made of YG8 carbide al and 45# carbon steel. 【Heat Resistant Anti-kickback】Teflon coating for build-up heat resistant and high grade carbide keeps its edge with no edge chipping. Anti-kickback and double fluted design for sharp and long lasting cutting. 【Applicable Materials】Suitable for cutting solid wood, particle board, plywood, MDF and different wood composites. 【After Sale Service】store provide affordable woodworking router bits and drill bits for you! If you have any problem with the router bit, you could contact us at anytime, we will reply you within 24 hours! Set of 5 Pieces Bottom Cleaning Router Bit with 6 mm Shank Specification: Type: Bottom Cleaning Router Bit Set Shank Diameter: 6mm Cutting Diameter: 13mm/15mm/16mm/18mm/20mm Cutting Height: 10mm/11.5mm/12mm/12.5mm/13mm Blade Material: YG8 carbide al Body