Electroplated Diamond Twist Drill Bits

Electroplated Diamond Twist Drills from DK Holdings are precision bits designed for drilling tough materials such as stone, glass, ceramic, and composite laminates.

These diamond drills feature electroplated diamond coating on the cutting tips, delivering sharp performance and extended durability even under demanding conditions.

Available in a wide range of standard diameters from 2 mm up to 12 mm (or your actual sizes), these twist bits are ideal for both wet and dry drilling.

The diamond coating ensures clean hole edges, minimal chipping, and excellent finish. Whether you need small pilot holes or larger precision holes, our drill bits deliver consistent results.

At DK Holdings, we stock the most commonly used sizes for fast dispatch. In addition, we offer custom diameter options and bespoke bit length for projects with special requirements.

Our manufacturing process uses high‑grade steel and strict quality controls to ensure the diamond coating adheres correctly and lasts longer.

These twist drills are particularly useful when you require precision: drilling through tiles, glass panels, composite components or decorative stonework.

Many customers use them in fabrication, architectural studios, marine, or signage work where clean, accurate drilling is critical.

If you are searching for reliable diamond drill bits or high‑quality electroplated diamond twist drills, DK Holdings offers both standard stock and custom manufactured solutions. 

OPTIONS:
Diameters – 4 – 9.5mm
Grades – 36/44, 44/60