The Mandrel for bi-metal hole saws, fits most different brands of bi-metal hole saws, able to cut into metal, wood and plastics. for hole saw sizes between 32 - 152 mm
First most bi-metal hole saw brands
For hole saw sizes between 32-152mm
Features
Pins Lock the Saw to Prevent Over-Tightening
For Use with Hole Saws 1-3/8-Inch to 6-3/8-Inch (35 Mm to 162 Mm)
Steel Construction for Added Durability
Hardened Mandrel for Long Thread Life
Fast and Easy to Engage and Disengage Hole Saw (Snap Lock)
For longer hole saw life, use the following instructions:
Use the correct mandrel for the diameter hole saw being used.
Use pin-type mandrels for hole saws larger than Ø32mm. When mounting the mandrel, lift the pins up and then screw the mandrel down into the hole saw as far as it will go. It is important that the pins holes are securely located in the hole saw.
Use the correct rotation speed. If the speed is too high or too low will have an effect on the cutting edge on the hole saw and decrease the life expectancy.
Clear away wood chips or iron filings frequently to prevent the hole saw from overheating.
Always apply the necessary pressure for the intended use. Too much pressure can destroy the teeth when cutting in metals.
Keep the drill going straight to avoid binding the hole saw.
The PTR Mandrel for bi-metal hole saws, fits most different brands of bi-metal hole saws, able to cut into metal, wood and plastics. for hole saw sizes between 32 - 152 mm