Bi-Metal Hole Saw Kit,17Piece High Performance Hole Saw Set with Arbors Replacement Drill Bits and Hex Key, Fast Cut Clean, Smooth and Precise Holes Saw for Metal, Wood, PVC Board and Plastic Plate

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About Bi-Metal Hole Saw Kit,17Piece High Performance Hole

LAIWEI Hole Saw Kit Product desciprion  All the accessories are well organized in a solid plastic case. You can take it everywhere for work and keep them well stored Solid Construction:  ➤- All saws are made of high quality Bi-Metal for corrosion and heat resistance.  ➤- Its tooth shape is sharp and durable, it is not easy to fall off has the high stability. Can cut through 1/4" thick metal with no problem.  ➤- Perfect for hole cutting on metal, wood, PVC board, plastic and drywal.  How to Assemble the Hole Saw Kit?  1. Insert drill bits to mandrel, and fasten the screws on the side of mandrel with hex key.  2. Insert mandrel through bottom to top of saw blade.  3. 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.  4. Please ensure you have fastened the screws tightly on the side of mandrel with hex key and no wobble to ensure precise cutting.  5.The drill bit and and the hole saw are easily stuck and can not be removed during use, which makes the drill bit easily to break. Make sure to reduce the drilling speed when operating. It's recommend using machines with Drilling speed: RPM≤1000, which can prolong the life of the hole saw. 6. Please wear protective goggles, mouth mask and gloves when using the hole saw kit.  Package Content:  11 × Bi-Metal Hole Saws  1 × Large Mandrel  1 × Small Mandrel with Medium Adapter  1 × Plastic Case  We have designed some warm details for you, including one-paged easy -to understand installation instruction to ensure right use, and listed the diameter outside of the blade to ensure you can catch the most precise saw f