Extra Long Woodworking Hole Saw Carbide The hole saw drill bit adopts an extra long design and can be used for woodworking including drilling wood products, wood plywood, spherical door locks, drawer locks, plastic products, etc. The woodworking circle hole saw drill bit is made of carbide material and adopts special heat treatment technology. The blade is sharp, with high hardness and durability. The hole saw drill bit adopts three teeth positioning and double edge bottom cleaning, with more uniform force, and the cutting edge does not vibrate during drilling, with high concentration. Product Features The top of the square hole saw drill bit adopts a curved design, which has higher drilling efficiency. The drilling depth can be freely adjusted, suitable for different thicknesses of wooden boards, making drilling more convenient. The hole saw drill…