... timely delivery ISO9001 BIMETAL HOLE SAWis for working in cast steel and malleable cast iron, stainless steel ... a high wear resistance.Hole saw and arbor in two parts,so hole saws of different diameters ... arbor with three flatted shank.For high precision drilling in metallic sheet.Size: 15 -100mm (1/2" ... End Teeth, Stainless Steel Teeth, 8pcs HSS Hole-making Drill inWooden BoxSizes:16,20,22,25,28,30 ...