Router Bit SizeShank dia.: 6mm; cutting diameter: 13mm/15mm/16mm/18mm/20mm; cutting height: 10mm/11.5mm/12mm/12.5mm/13mm. Premium MaterialAll the router bit blade made of YG8 carbide alloy and 45# carbon steel. Heat Resistant & Anti-kickbackTeflon 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 MaterialsSuitable for cutting solid wood, particle board, plywood, MDF and different wood composites. After Sale Servicestore 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 alloy Body Material: 45# carbon steel Package Includes: 5pcs Bottom Clean Router Bits Please Note: 1. The woodworking router bit is very sharp, please keep away from children. 2. At the working, please wear good protective measures,in case of wood chips splash damage eyes. 3. Please DO NOT cutting ferrous metal, hard wood and non wood materials to avoid router bits broken. 4. This straight router bit set not suitable for very hard wood, such as Oak, Mahogany, Acacia, Sandalwood