... :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 ... piece and, it affects tool life and safety.There are 5 kind of teeth forms as following.Regarding DIN 1840: A ...