Heavy duty for making Cornhole Boards,air ducts,ceiling light,speakers,duct work,it can drill in drywall,wood ,plastic, gypsum board,aluminium,soft thin metal and rubber. very useful for Interior decoration, DIY tools, downlight installation.

Good material:High Speed Steel M42 Bi-metal. with sharp teeth,cut the wood very easy and non binding clean edge.

Notice: Please keep safe when operate the drilling work. it is better firstly slow speed,then higher. wear safety glasses it important for safe of eyes. and big hole should below rotation speed.

Rich configuration, Includes 1pc bimetal hole saw 6 inch, 1pc mandrel with pilot drill bit and spring, 1pc pilot drill bit, 1pc wrench.

This item is mainly for all kinds of woods and soft material, but not for thick steel plate.