5Pcs/Set Hole Saw Bits Drill Bit Hole HSS Saws Set Titanium Plating Drill Bits Set High Speed Steel Hole Saw Kits 16/18.5/20/25/30mm

Material: HSS 6542(M2) Outside Diameter: about 16mm/0.62",18.5mm/0.72", 20mm/0.78",25mm/0.98", 30mm/1.1" Quantity：5Pcs x Hole Saw Cutter Package Included: 5Pcs x Hole Saw Cutter Drill Bit

Features: - HSS 6542 material, higher hardness, more durable. Titanium Coated, rust-proof. - Specially used on metal and steel plate, give fast and easy cutting. - They are good tools for you to make fantastic works. - Split tip drill prevents damage by gradually guiding cutter to material; no walking. - High speed steel teeth for fast cutting of clean, round holes. - Designed specifically for sheet metal cutting, even stainless steel. - Over drill flange built in to prevent penetration beyond the sheet metal. - Cuts quick, precise holes in stainless steel, mild steel, iron, copper and brass. - Provide 5 kinds of hole saw ,meet your professional need.

Note: If you cut the hard material such as steel, ceramic tile etc. you need to use the oil or water to low the temperature, if not, maybe the drill bit will be broken due to high temperature, please understand.