Knpwer 18 PCS Hole Saw Cutter Kit Carbon Steel Downlights Drill Bit Tools for Wood, Plasterboard, Plastic and Non Ferrous Metals 19-127mm,Blue

• 【13 Sizes】There are 13 hole saw blades for wood with different sizes(19/22/25/28/32/38/44/54/64/76/89/102/127mm) in each pack, and these wood hole cutters can meet various needs in different situations.
• 【Durable Material】Made of 51# carbon steel, sawtooth of woodworking circle cutter is sharp and durable. With high-frequency quenching, these cutting tools for wood have higher hardness (HRC4-48)and long service life.
• 【A Portable Storage Box】With this box, you can organize these hole cutting tools well, and it's convenient and easy for you to take these tools out.
• 【Wide Usage】These tough hole saws can be used for plasterboard, wood board, plastic etc. Especially for plasterboard and thin wood board.
• 【Great Helper for Woodworking】With positioning drill, this circle hole cutter kit can help you cut a hole easily. And this downlight holesaw kit can be used with ordinary hand drill, impact drill, charging drill, flat drill and so on.

Specification: Material:51# Carbon Steel Working depth:25mm Diameter of hole saws: 19/22/25/28/32/38/44/54/64/76/89/102/127mm Notes: ▷ These hole saws are NOT suitable for metal objects(like steel bars),large density boards, aluminum boards, computer desks, etc. ▷ The material to be cut must be fixed and at a right angle to the hole opener at 90 degrees. ▷ During operation, if there is any abnormality or the chip removal is not normal, please stop working, and re-work after cleaning. ▷ The positioning drill and the hole opener are easily stuck during punching holes on thicker wood boards (such as composite plates, compression plates, etc.),so please reduce the speed, otherwise the positioning drill will break. ▷ Please allow 1-2mm error due to manual measurement and make sure you do not mind before ordering