【Material】: This hole saw is made of high quality Bi-Metal; The main body and the cutting edges of the bi-metal hole saw consist of two different tool steels (bi-metal); The main body consists of a special flexible steel(M42) and the teeth that cut the material are made of HSS
【Features】: The varied and fine toothing ensure that the hole saw does not get caught in the material and runs smoothly; Bi-metal hole saws have a larger number of cutting edges than carbide hole saws, which allow a clean cut
【Easy to Use】: The spring on the drill bit hole saw can automatically pushes the disc out of the saw immediately after completing the hole.
【Applications】: The Bi-metal hole saw suitable for cutting Mild Steel, Stainless Steel, Cast Iron, Brass, Aluminium, Wood etc; It is your ideal choice for DIY projects and household maintenance and repair; Suitable for Installing Locks, Knobs in Doors and Cabinets or Drilling Larger Diameter Holes Through Desks etc.