How to Assemble the Hole Saw Kit?
- Insert drill bits to mandrel, and fasten the screws on the side of mandrel with hex key.
- Insert mandrel through bottom to top of saw blade.
- Put the installation plate on the saw, and then screw- the nut to lock the installation plate and prevent them from being damaged(The the installation plate should between saw blade and nut). The gasket cannot be installed in reverse.
- Please ensure you have fastened the screws tightly on the side of mandrel with hex key and no wobble to ensure precise cutting.
- When you use saw blades ≥44 mm(1-3/4"), must use installation plate together.
- It's recommend using machines with Drilling speed: RPM ≤1000, which can prolong the life of the hole saw.