Description
Package Includes: 4pcs 1/4"(6mm) dry diamond drill bits+1pc 1/4"(6mm) Carbide Drill bit mainly used to provide accurate positioning for diamond bit.Size: 4pcs Diameter 1/4"(6mm).Total Length 68mm,Diamond height 10mm,Diamond Grit 35/40,Quick Change Shank; 1pc 1/4"(6mm) Carbide quick-hexagon Drill bit:Total Length 77mm,work length:45mm.Application: Diamond core bits are worked great for dry drilling holes through hard porcelain tile, ceramics,bathroom tile,granite & marble, masonry, concrete, glass, hard plastic.Durable and Efficient: Each dry diamond bit is embedded with wax that will melt during dry drilling to cool the cutting surface; Water can act as additional cooling to prolong the worklife of bit.The carbide drill cutter Can be positioned,The ideal diamond drill bit set.Machine: They can be used with hand drills, bench drill etc,can be used with common drilling machines and cordless screwdrivers from many well-known brands
