13pcs Metal Hole Saw Set, 16-53mm Metal Core Drill Bits, Tungsten Steel Cutting Tool Kits for Stainless Steel, Iron Plate, Copper, 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, cutting clean, round holes. Suitable for handheld electric drill, standing motor drill and movable magnetic tape drill.

Quick and precise hole cutting in stainless steel, mild steel, iron, copper and brass. Can drill approximately 20mm deep for wood and approximately 5mm for stainless steel