Malayas 13pcs Metal Core Drill Bit Hole Saw Set 16-53mm Tungsten Steel Cutter Tool Kits for Stainless Steel Iron Plate Copper Wood

• ➤ Made of Tungsten steel, thick heavy duty metal with high hardness, rust proof, sturdy and durable.
• ➤ Easy job for installing the locks, knobs for doors and cabinets or drilling holes larger than the diameter through desk etc.
• ➤ Included 13 sizes hole saws 16/18/20/22/25/26/28/30/35/40/45/50/53mm with their own replaceable/swappable pilot drills and separate plastic cases, meet your 13 different needs.
• ➤ Installed use in Electric Drill. Work perfectly on drilling wood, iron plate, stainless steel, copper, brass, fiberglass, formica and other laminates in seconds, especially good for stainless steel plate ≤ 3mm, iron plate ≤ 10mm; Perfect choice of professionals and hobbyists.
• ➤ Not recommended to operate on aluminium extrusion, aluminum alloy metal material, it is easy to wrap the pilot drill and break it, because of the soft and strong sticky of the aluminum. If you really need to drilling on aluminum alloy metal material, it is better less than 1mm, and better to remove the pilot drill before you ready to drilling holes on aluminium extrusion products.

★ Material - Tungsten steel ★13 Size - 16mm,18mm, 20mm, 22mm, 25mm, 26mm, 28mm, 30mm, 35mm, 40mm,45mm, 50mm, 53mm. ★ Installation equipment - electric drill. ★ Application for - stainless steel plate ≤ 3mm , iron plate <10mm, wood, steel, copper, brass, fiberglass, formica and other laminates ★ Warm Tips - Please remember to lubricated with an appropriate Lubricating fluid- soluble cutting fluid or cutting oil; and choose a slow speed in the beginning use. ★ Packing - 13 sizes thick heavy duty metal Hole Saws with separate plastic cases