Hole Saw Bit, DRILLPRO 5pcs HSS Hole Cutter Bi-Metal for Metal Wood Plastic Soft Steel (16mm 18.5mm 20mm 25mm 30mm)

Description: 5pcs HSS 6542 Titanium Coated Hole Saw Tooth HSS Hole Saw Cutter Drill Bit Set 16/18.5/20/25/30mm (0.63 / 0.73 / 0.78 / 0.98 / 1.18 Inch) Uses High Speed Steel 6542 material, higher hardness, ?more durable. Titanium Coated, rust-proof. Specification: Material: HSS6542 / High Speed Steel Surface Treatment: Titanium Coated Size: 16 / 18.5 / 20 / 25 / 30mm (0.63 / 0.73 / 0.78 / 0.98 / 1.18 Inch) Please work safely. (Protective equipment) Shank Size: approx. 9mm About 4mm Cutting Depth Quantity: 5pcs Features: Specially used on metal and steel plate, give fast and easy cutting. They are good tools for you to make fantastic works. Split tip pilot 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. [Use tip] 1. The cutting material must be fixed, can not move, with the hole into a 90 degree right angle 2. When the positioning drill drill, please wait, and then slowly drilling. 3. The operation process, if abnormal or broken is not ideal, please stop working, cut to the next after the work. 4. The upper and lower screws, please do not be too hard to avoid screwing the screw. 4. Can be used in bench drill, magnetic drill, pistol drill, air gun drill and other drilling on the use. 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. Package Included: 1 x Set (5pcs) Hole Saw Cutter Drill Bit