12MM-100MM HSS M35 Cobalt Drill Bit Hole Saw Stainless Steel Metal Alloy Cutter
Material: HSS / High Speed Steel. Can work for 3mm Stainless steel plate and can quickly punching the precise holes in Steel, Stainless Steel,iron, Copper, Brass, Aluminum, Fiberglass, Formica And Other Laminates In Seconds.