The DEWALT Extreme circular saw blades feature high grade carbide teeth providing maximum blade life. The unique anti-vibration slots ensure for minimal blade noise and vibration and the blade has corrosion resistant for extended life in harder materials. This stationary circular saw blade range can be used for rip and cross cutting in natural wood, plywood, laminates, particleboard and MDF. and is ideal for both table and mitre saws. The General purpose K10 carbide tips cope with wood and non-ferrous materials. Other features of these blades include:- Anti-vibration slots reduce plate distortion;- Engineered expansion slots prevent blade overheating and warping;- Extra-large carbide tips resharpenable up to 20 times;- Positive rake angle allows the blade to cut at higher speeds. This Series 60 range has the following specifications:Blade Diameter: 250mm Bore Size: 30mmPlate Thickness: 2.2mm Kerf Thickness: 3.0mmThe DEWALT DEWDT4321QZ circular saw blade is a general-purpose blade with the following specifications:Tooth Count: 30 Tooth Pitch: 26.2mmGrind Geometry: ATB Rake Angle: 10°