1pcs Mag Drill Bit TCT Annular Cutter, 12-42mm Diameter High Speed Steel Metal Core Drill Bit Hollow Drill Bit Metal Hole Opener(Color:12x30mm)

Size: 12x30mm , 42x30mm , 30x30mm , 16x30mm , 19x30mm , 20x30mm , 23x30mm , 25x30mm The cutting edge of the tool is made of cemented carbide, which ensures high hardness and wear resistance and prolongs the service life of the tool. Ring milling cutters are widely used in machining, home improvement, construction and other fields. The milling cutter has the advantages of high hardness, good wear resistance and low cutting force, which ensures high precision and high efficiency in machining, and is suitable for trimming, slotting, digging holes and other machining needs. Compared with other cutting tools, TCT ring milling cutters have the advantages of fast cutting speed, long life and high precision, which meets the needs of modern machining industry for high efficiency and high precision machining.