1,15years professional manufacture 2,TCT,Bi-mental,HSS hole saw 3,cutting wood,steel 4:size14~380mm 5:export toUSA,EUR,JAPAN Standard ModelSIZE RANGES12mm-100mm diameterAPPLICATIONSFor tough drilling on 1.6mm thick iron platesUSES:(A)Electric work:1.Electric control box's push-button hole2.Refrigeration machines(B)Iron work1.Sheet metal work2.Drill hole installatiomSPECIAL FEATURES(A)Sharper ...