Drill chuck with 7 diamond dry drill bits, 5/6/8/10/12/14/16 mm, dry drill bits for tile, diamond hole opener bits for ceramic, glass, and other materials.

[Diamond Core Bit] The diamond dry drill bit is made of high-quality electrolytically gold-plated steel grains, offering high-temperature fire resistance, hardness, sharpness, and durability. The diamond dry drill bit is pre-filled with cutting adhesive, eliminating the need for additional cooling preparation time (unlike wet drilling). The high-quality material processing allows for faster drilling speeds and a longer lifespan.

[High-Quality Material] The gold-plated diamond tile drill bit is made of high-quality gold-plated steel, providing wear resistance, durability, and a long service life.

The Diamond Dry Drill Bit is a practical tool for everyday life, offering high hardness and sharpness. [Scientific Design] The scientific chip-eliminating design makes the dry tile drill bit more stable without becoming dry and dusty. The diamond drill bit's shank adopts a circular design widely used in hand drills and angle grinders. [Multi-Purpose] The diamond drill bit hole opener has 7 different specifications: 5/6/8/10/12/14/16 mm, which can meet your various needs. Suitable for all ceramic tiles, marble, granite, microcrystalline stone, quartz stone, coarse ceramic tiles, ceramics, ordinary glass, etc. Quantity shipped: 7 pieces. Color: Blue. Size: As shown.