Feature
●✔Size - 4 pieces diamond drill bits 6 mm & 1 piece carbide drill bit, 1/4 inch (6 mm), diamond height 8 mm, total length 65 mm, diamond core drill with triangular shank
●✔ Widely used - Carbide triangle drill bit, which is mainly used to ensure accurate positioning for diamond drill bits
●✔Wide applications - Diamond core drill bits are ideal for dry drilling holes through hard porcelain tiles, ceramics, bathroom tiles, granite and marble, masonry, concrete, glass and hard plastic with ease. The use of water could extend the service life
●✔High performance - Special design of the spiral groove on the top of the drill helps with chip removal, wax in the drill helpful for cooling and lubrication
●✔Machine - Suitable for any electric drill, hand drill, bench drill, if you use angle grinder, please install the angle grinder drill chuck, recommended rotation speed: 2000-5000. The faster, the better (cannot be used on machines below 2000 rpm).
Description