13pcs Metal Hole Saw Set, 16-53mm Core Drill Bits, Tungsten Steel Cutting Tool Kit for Stainless Steel, Sheet Iron, Copper and Wood.

13 piece hole saw set, can be used with electric drill and gadget machine, size in: 16mm/0.63", 18mm/0.71", 20mm/0.79", 22mm/0.87", 25mm/0.98", 26mm/1.02", 28mm/1.10", 30mm/1.81", 35mm/1.38", 40mm/1.57", 45mm/1.77", 50mm/1.97", 53mm/2.09"

Sharp and anti-cutting gears with lower consumption give the product a long service life.

Made of high speed steel, sharp blade, smooth and fast cutting. Suitable for steel plates, iron plates, stainless steel and all kinds of thick materials. The maximum perforation depth is 5 mm. Cutting fluid or Drilling lubricant is recommended (type of fluid depends on material being machined)

Carbide teeth for fast cutting clean, round holes. Suitable for handheld electric drill, standing motor drill and movable magnetic tape drill.

Cuts holes quickly and accurately in stainless steel, mild steel, iron, copper and brass. Can drill approximately 20mm deep for wood and approximately 5mm for stainless steel