Description
Product Overview
The SynHHergyx 20‑piece Diamond Drill Bits Set is engineered for precision micro‑drilling across a wide range of delicate and hard materials. Each bit features a twist‑tip design with a diamond‑coated cutting edge, delivering exceptional hardness, heat resistance, and wear resistance. The set includes diameters ranging from 0.8 mm to 4 mm, providing the flexibility needed for intricate jewelry work, gemstone shaping, glass and tile perforation, as well as tougher applications such as metal and stone. Constructed from high‑grade stainless steel, the shank offers superior strength and durability, while the diamond coating ensures a clean, burr‑free finish. The bits are packaged in a compact, reusable bag measuring 13 × 9 × 1.5 cm, making storage and transport effortless. ![[Product front view showing all components]](https://www.radiantbuy.store/wp-content/uploads/2026/08/45affdf03daa4515949d6b67d03bd1fd.jpg)
Usage
These drill bits excel in professional workshops, hobbyist studios, and on‑site repair scenarios. Ideal for artisans crafting fine jewelry, lapidary enthusiasts polishing gemstones, and technicians installing fixtures in glass or tile surfaces. The groove design on each bit facilitates efficient debris evacuation, reducing heat buildup and extending tool life. Whether you are working with jade, agate, pearls, or ceramic tiles, the set provides the appropriate size to achieve precise holes without cracking or chipping the material. The bits are compatible with standard rotary drills, Dremel tools, and CNC machines, offering versatility across power tool platforms.
Why Choose Us
SynHHergyx stands for quality and reliability in the drill accessories market. Our diamond‑tipped bits undergo rigorous testing to meet industrial standards, ensuring consistent performance even under demanding conditions. The stainless‑steel shank is heat‑treated for added rigidity, preventing flex and breakage during high‑speed operation. Each bit is individually inspected for coating uniformity, guaranteeing that the diamond layer remains intact throughout its service life. We back our products with responsive customer support and a satisfaction guarantee, providing peace of mind for both seasoned professionals and newcomers to precision drilling.
Key Features
- Comprehensive size range from 0.8 mm to 4 mm covers all micro‑drilling needs.
- Diamond‑coated tips deliver clean, burr‑free holes with minimal heat.
- Stainless‑steel shank offers superior strength and long‑term durability.
- Groove design efficiently removes debris, enhancing drilling speed and accuracy.
- Dedicated after‑sales support ensures assistance and replacement if needed.
FAQ
Can these bits be used on a standard cordless drill?
Yes, the bits are compatible with most 1/4‑inch collet sizes found on cordless drills, providing flexibility for both bench‑top and handheld applications.
What material is the diamond coating applied to?
The diamond particles are electro‑plated onto a high‑grade stainless‑steel substrate, creating a robust cutting surface that resists wear and maintains sharpness.
How do I clean the bits after use?
Simply wipe the bits with a soft cloth and, if necessary, use a mild solvent to remove any residue. Avoid abrasive cleaners that could damage the diamond coating.
Is there a warranty on this set?
SynHHergyx provides a one‑year limited warranty covering manufacturing defects, ensuring you receive a reliable product.
Can these bits drill through metal?
While primarily designed for glass, tile, and gemstones, the set can also handle soft metals such as aluminum and brass when used at appropriate speeds.






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