Bi-Metal Hole Saw

JK Bi Metal Hole Saw with JK Bi Metal Hole Saw with tips made up of HSS is used for making holes in wood. The fact that a hole saw creates the hole without needing to cut up the core often makes it preferable to twist drills for relatively large holes. Another advantage of hole saws over drill bits is the wider size hole capability. Read more!tips made up of HSS is used for making holes in wood. The fact that a hole saw creates the hole without needing to cut up the core often makes it preferable to twist drills for relatively large holes. The sloping slots in the cylinder wall helps to carry the dust out. Another advantage of hole saws over drill bits is the wider size hole capability. Share : Download PDF