... ~1.0mm(ID) for cutting mini pipe/tube etc. Products we offer:HSS Circular Saw Blade,Slitting Cutter, Small Saw Blade ... Cutting Pipe/stainless ,Metal Slotting Saw,ZhengChao Saw Blade.Material we offer: HSS-DMO5,W5,W6,W9,M2,M42,Cr12mov etc ... solid bar, rectangle solid bar, heavy metal and thick pipe.How to choose the right saw bladeSelecting the right saw blade ...