Diamond Core Drill Bits

Professional 6.5mm diamond core drill bits with sintered segments for granite, marble, and concrete. Features 83mm total length, 50mm drill depth, and wet drilling capability. Ideal for countertop fabrication and stone working with industrial-grade durability for business use. Accepts OEM orders with comprehensive quality control.

Professional laser welded diamond core drill bits with 450mm working length and 10mm segment height. Available in 32-350mm diameters with 1 1/4 UNC thread compatibility. Designed for wet drilling on reinforced concrete, asphalt, brick, and construction materials. OEM orders accepted with comprehensive quality control and flexible shipping options.

Professional diamond core drill bits featuring hot pressed sintered segments for efficient stone drilling. Available in 6.5mm to 150mm diameters with 8mm segment height and 93-103mm total length. Ideal for granite, marble, limestone, and quartz applications in countertop and fabrication work.

Professional 83mm length diamond core bits with silver welded construction for granite, marble, and stone drilling. Features 8mm segment height, compatible with both dry and wet drilling methods. Available in diameters from 6.5mm to 127mm with 3/8" or 1/2" shaft options. Ideal for countertop fabrication and stone installation applications with custom sizing available.

Premium vacuum brazed diamond core drill bit, 6mm diameter. Dry drilling with wax cooling reduces heat and debris. High diamond exposure for fast, aggressive cuts. Ideal for tile, porcelain, ceramic, granite, and stone. Durable, less breakage, and good finish. Save time and money.

Vacuum brazed diamond core drill bits for fast dry drilling of tile, ceramic, and porcelain. Set includes 18/20/25/35/45mm sizes with 60mm working length. Hex shank design. Fast drilling and long life. Ideal for B2B industrial use.

High-end diamond core drill bit with industrial-grade diamond and cobalt powder for fast, efficient drilling through reinforced concrete, marble, and granite. Laser welded turbo segments ensure durability and precision. Grade A steel tube construction.

Vacuum brazed diamond hole saw set with M14 thread, compatible with angle grinders. U-shaped chip grooves enhance durability. Suitable for dry and wet drilling on ceramics, tiles, marble, and granite. User-friendly 45° start angle. Custom shank options available.

Premium vacuum brazed diamond core bit for dry drilling of tile, porcelain, and granite. Features high diamond exposure for fast cutting, reduced debris, and long service life. Available in 6mm diameter with M14 hex shank. Durable, efficient, and cost-effective.

High-quality vacuum brazed diamond core drill bit for dry or wet drilling of porcelain, tile, and ceramic. Features 6mm diameter, M14 shank, and wax cooling for extended life. Fast, clean cuts with less debris and breakage. Ideal for professional use.

Tungsten carbide tip welded to carbon steel body for strong toughness and wear resistance. Quick release hex shank for easy fixing on hand or electric drills. Ideal for drilling tile, glass, ceramic, and brick walls. Sizes 3-12mm.

Made from high-quality tungsten carbide alloy, these cross head drill bits offer strong toughness and wear resistance for drilling tile, glass, and ceramic. Features a quick-release hex shank for easy use with hand and electric drills. Sizes 4-12mm available.

Premium 6mm vacuum brazed diamond core bit for dry drilling of porcelain, tile, and ceramic. Features high diamond exposure for fast, aggressive cuts, less debris, and longer life than electroplated bits. Durable, efficient, and cost-saving.

High-quality HSS step drill bit with titanium coating reduces friction and heat. Two-flute design ensures smooth cuts. Triangular shank prevents slippage. Ideal for steel, brass, wood, plastic, copper, and PVC. Durable and precise for professional use.

High quality tungsten carbide alloy cross head drill bits with quick release hex shank. Designed for drilling tile, glass, ceramic, and brick walls. Features strong toughness, wear resistance, and low cutting resistance for efficient and durable performance.

Vacuum brazed diamond core drill bit for fast dry drilling of tile, ceramic, and porcelain without water. Features 8mm diameter, M14 thread, and 60mm working length. Durable and long-lasting, with custom sizes and thread options available.

Vacuum brazed diamond core drill bit for fast dry drilling of tile, ceramic, and porcelain without water. OD20mm, working length 60mm, M14 thread. Durable, long life, and efficient for professional use.

Vacuum brazed diamond core bits for fast dry drilling of tile, ceramic, and porcelain. 60mm working length, M14 thread. Fast drilling, long life, and includes a plastic box for storage.

Vacuum brazed diamond core drill bit for fast dry drilling of tile, ceramic, and porcelain. 6mm outer diameter with M14 thread. Features 60mm working length, long life, and fast drilling. Ideal for B2B industrial use.

Fast dry drilling hole saw for tile, ceramic, and porcelain. Vacuum brazed diamond technology ensures long life and efficiency. 6mm diameter with hex shank, 60mm working length. Ideal for quick, water-free drilling with plastic sleeve protection.