1,15years professional manufacture 2,Bi-mental hole saw 3,cut wood,steel,pvc 4:size14~380mm 5:hot to USA,EUR,JAPAN Welcome to visit our web!We provide:TCT hole saw,Bi-metal hole saw,Wood hole saw(boring bit),diamond glass hole saw,glass/tile drill bits,hammer drill bits.Looking forward to hearing from you!BI-METAL HOLE SAW SIZE: DiameterModeDiametermillimeter (mm)inchmillimeter (mm)inchS1-14149/ ...