HIGHFIRE 20pcs Carbide Hole Saw with Case, Carbide Tipped Hole Cutter with Pilot Drill bit for Stainless Steel, Iron, Aluminum, Alloy, Plastic

• 【TCT Hole Saw Set】13pcs hole saw kit which cutting diameter 64mm(2-1/2"),90mm(3-9/16"),16mm(5/8"),19mm(3/4"),22mm(7/8"),25mm(1"),29mm(1-1/8"),32mm(1-1/4"),35mm(1-3/8"),38mm(1-1/2"),44mm(1-3/4"),51mm(2"),54mm(2-1/8"), 2pcs drill bits ,2pcs hex keys and 3pcs springs
• 【Unique TCT Hole Saw】highfire TCT hole saw teeth designed with three-blade, includes outer blade, middle blade, and inner blade, making it sharper and more efficient, ideal for cutting hard metals;
• 【Wide Application】Ideal for stainless steel, metal, iron, and plastic, aluminum, FRP, etc. so on. Remember to add coolant during continuous high-speed drilling.
• 【Efficient Cooling】Designed with double round circles to remove metal filings easily and efficient cooling.You can use a lubricant ,so the bit will not overheat. It can be water or oil.
• 【24-Hour After-Sales Service】If you have any questions about the product, please contact us in time. We will reply to you within 24 hours.