1. Material: HSS M2/M35 2 .Sharp,Durability, 3. Perfect performance 4. Long life Materials: high speed steelManufacturing process: Fully ground Thickness: 0.12 to 6.0mm Size:60 to 315mmDiameter: 60,63,75,90,100,110,125,130,150,160,180,190,200,220,250,310mm Bore diameter:5 to 40mm Mainly used in Cutting for mid-hardness metal material and nonmetallic material. HSS Circulate Saw Blade