Drill Hole Saw Diamond Material Hole Opener Ceramic Tiles Concrete Marble Sintered Bit20mm

Select high-quality diamond particles and a reasonable formula can effectively improve the sharpness and wear resistance. Straight shank design suitable for most hand electric drills on the market with a wide range of applications. Four sizes of 14/16/18/20mm are provided to choose from which can meet different needs. Used with electric hand drill or bench drill with fast rotation speed fast drilling speed stable performance and high efficiency. Hole saws are suitable for drilling holes in granite marble ceramic tiles vitrified tiles etc.