Diamond Core Drill Bits

Professional electroplated diamond drill bit for fast clean holes in ceramic, porcelain, and glass. High diamond concentration ensures smooth finish and consistent performance. Custom specs available. Use with water coolant for best results.

This 68mm diamond core drill set features vacuum brazed technology for durability and efficiency. With M14 thread and U-shaped chip grooves, it ensures smooth drilling in dry or wet conditions. Suitable for angle grinders, it offers fast, precise cutting on various materials.

Premium dry core drill bit for granite, quartz, and marble. Features 4 outer and 2 inner brazing rods for extended life. SGS certified, customizable sizes, and fast drilling speed. Ideal for countertop and kitchen installations.

Vacuum brazed diamond core drill bits for ceramic and marble. Smooth cutting, high speed, dry or wet use. Available in 6-80mm diameters. OEM and custom specs accepted. Durable, efficient, and quality assured.

High-efficiency vacuum brazed diamond core bit for dry drilling on tile, ceramic, marble, and granite. M14 thread, 6-80mm diameter range. Long life, no coolant needed. Custom sizes and OEM logos accepted.

Professional vacuum brazed diamond core bit for fast, clean dry drilling in tile, ceramic, and porcelain. M14-1/2 gas thread. Available in 20 sizes from 6mm to 80mm. High efficiency, long life, no coolant needed.

Vacuum brazed diamond core bits with hexagon shank for efficient drilling in tile, ceramic, marble, and granite. High durability, smooth performance, and long lifespan. Available in 6mm to 80mm diameters. OEM and custom logo options accepted.

Laser welded for superior durability and fast drilling in hard granite and stone. Features 1/2" shaft or 5/8"-11 thread options. Custom sizes available. Ideal for core drilling machines and hand drills.

Electroplated diamond core drill bits for glass, 3-13mm diameter. Fast drilling with no chipping. Designed for professional contractors. Clean holes, durable performance. Custom sizes available.

Professional vacuum brazed diamond core drill bits for fast dry drilling in ceramic, porcelain, and stone. Sizes from 5mm to 35mm with hex quick release shank. Durable, clean holes, no coolant needed. OEM and custom logo options available.

High quality vacuum brazed diamond drill bit for dry drilling ceramic, porcelain, tile, marble, and granite. Fast clean holes without coolant. Available in 6mm to 70mm diameters with custom color and packing options.

High-performance diamond core bits for granite, marble, and stone. Available in 8mm to 51mm diameters with 3/8 or 1/2 shaft. Suitable for dry and wet drilling. Durable crown segments ensure fast cutting. Custom sizes and OEM orders accepted.

Premium metal bond diamond core bit for fast, precise drilling in tile, ceramic, and glass. Features spear point carbide for extended life. Suitable for dry and wet use with hand drills. Custom sizes and OEM available.

Premium dry core drill bit for granite, marble, and stone. Features vacuum brazed protect teeth for extended life. Fast drilling speed. Custom sizes and OEM available. Accept sample orders.

Premium diamond dry core bits for granite, quartz, and marble. Features fast drilling speed, extended life, and brazing rods for disc protection. Sizes 6mm-100mm with customizable options. Accept sample orders.

Premium silver-welded diamond core bit for wet drilling of granite, marble, and stone. Features fast cutting speed, extended durability, and 83mm total length. Custom sizes and OEM logos available. Ideal for core drilling machines and hand drills.

Premium diamond core bit for granite, marble, and stone. Features fast drilling speed, extended life, and silver-welded segments. Custom sizes available. Suitable for wet use with core drills and hand drills.

Premium silver welded diamond core bit for granite, marble, and stone. Fast drilling speed, extended life, and water-cooled operation. Custom sizes and OEM options available. Ideal for hand drills and core drilling machines.

Professional 8mm diamond core drill bit with silver welded segments and 3/8 inch shank. Designed for wet drilling on stone, marble, and granite. Durable for industrial use. Custom OEM options available. 20-30 day delivery.

Premium grade 115mm diamond core drill bit with 50mm working length for stone drilling. Silver welded segments deliver fast drilling speed and extended life. Suitable for granite, marble, sandstone. Custom sizes and OEM available. QC checked, 15 years experience.