... :HSS Circular Saw Blade,Slitting Cutter, Small Saw Blade,Cold Saw Blade,Circular Saw Blade,Thin Saw,Alloy Saw Blade,Side And Face Milling Cutter,Saw Balde For Cutting Pipe/stainless ,Metal Slotting Saw,ZhengChao Saw Blade ... in super high speed steel suitable for cu~ing-off steels and alloys with hardness between 500N/mm2 and 800N/mm2 circular saw blade