Review on Hanson 73109 Bit Drill Turbomax by Djuan Thompson

Irwin make a wide range of reasonably priced tools including drill bits. With the Turbomax nozzle range, you get a durable and shatterproof nozzle that can be used on most materials, including sheet metal. Bits don't work well in concrete. They're a good alternative to the breakable standard Irwin bits that cost about the same. For tough jobs, I recommend cobalt bits.