Zibuyu Hole Saw Drill Bit Set - 16mm/18mm/20mm/25mm/30mm for Metal

PREMIUM HIGH-SPEED STEEL MADE: This hole hole saw cutter of high-speed steel, the Titanium-plated cemented carbide Tooth are sharp, anti-rust and wear resistance, delivering an efficient drilling performance and long last service life.. EFFICIENT DRILLING PERFORMANCE: Thanks to the help of center cobalt and the drilling teeth with heat treated, the drill bit can receive an efficient drilling work under high power drill, can efficiently penetrate various material. Impact resistance can work with various power.. PACK OF 5 DRILL BIT SET: This hole saw drill bit including 5 pcs drill bit of different specifications, 16mm/0.62'', 18mm/0.71'', 20mm/0.78'', 25mm/0.98'', 30mm/1.18''. Length: 65mm/2.55''(Approx), meeting your various needs.. WIDELY USED ON VARIOUS MATERIAL: This hole saw drill bit for metal can be used on various material, including stainless steel plate, hard metal, iron, mild steel, alloy steel, aluminum, FRP, etc. Suitable for various drilling work.. UNIVERSAL STANDARD SHANK: This hole saw drill bit for metal ideal for handheld electric drill, stand motor-driven drilling machine and mobile ribbon type magnetism drilling machine.