EZARC Stepped Pilot Drill Bit for Carbide Hole Saw;

Many professional users such as Electricians, plumbers, renovators usually need to drill holes on metal plate for different purpose. Traditional Bi-metal hole saws are always been complained by users for its short lifetime, slow cutting speed and bad cutting quality. EZARC Tungsten Carbide Teeth hole saws are industrial quality with more than 10 times longer life comparing with traditional bi-metal hole saws on all metal materials including stainless steel, mild steel, high alloy steel, aluminium and even Fiberglass Reinforced Plastic, hard wood. The high quality Tungsten Carbide Teeth can resist highest heat and abrasion under fast RPM drilling, which guarantees extremely long life . The sharp cutting edges and ideal gullet design guarantees fast cutting speed and efficient chip removal. EZARC has a wide range of TCT hole saw from 9/16'' to 4'', cutting depth <4.5mm depth,