184mm TCT Circular Saw Blades Coarse – Fine 20 24 40 Teeth + Adaptor Rings. Professional saw blade for commercial or occasional use. 184mm TCT saw blades Mixed set of teeth, coarse, medium and fine grade for different applications TCT blades are fully hardened and tempered as they are tungsten carbide tipped. Suitable for hardwood, softwood, chipboards and other composite materials. Hardened and strengthened to ensure a long life. Versatile blades that can fit a multitude of circular saws with different drives. Varied number of teeth for use on multiple types of jobs.