A constant pitch tooth pattern ensures smooth cutting and less “chatter” when drilling metal, particularly thin sheet. High quality M42 grade 8% Cobalt HSS steel. Ideal for stainless steel. Arbor to Suit AA4, AA1, SDSA1 Cutting Depth mm Wood - 38mm, Thin Sheet Metal - 3mm, Stainless Steel - 2mm Description A constant pitch tooth pattern ensures smooth cutting and less “chatter” when drilling metal, particularly thin sheet. High quality M42 grade 8% Cobalt HSS steel. Ideal for stainless steel. Material M42 Grade HSS Steel with 8% Cobalt Max Cutting Depth mm 38 Pack Dimensions L x W x H mm 39 x 84 x 146 Pack Weight kg 0.047 Product Code HSC20 Rec RPM Aluminium 670 Rec RPM Cast Iron 290 Rec RPM Mild Steel 440 Rec RPM Non.Ferrous 580 Rec RPM Stainless Steel 220 Saw Dia. mm 20.0 Substrates Softwood, Plywood, MDF, Plastic, Non-Ferrous Metals, Stainless Steel, Plasterboard, Thin Sheet Metal, Cast Iron Teeth Pitch mm Constant Thread Mount inch Thread per Inch 20