Nimomo 20pcs Glass Jewellery Drill Bits Tipped 1mm, Jewelry Making Set Sea Gem Stones Shank Compatible, Dia-mond Coated Agate Hole Solid Needle

• Optimized High-Speed Performance: Designed to excel at elevated speeds, these bits deliver their smoothest and most precise drilling results when operated at 2000 RPM or higher, ensuring clean cuts with minimal material stress
• Premium Dia-mond Construction: Crafted with fine dia-mond powder coating, these gem drill bits offer exceptional quality and lasting durability. Perfect for both precision fine processing and everyday drilling applications, they maintain consistent performance through extended use
• Recommended Speed Guidelines: For optimal performance with agate and similar materials, we recommend maintaining a minimum speed of 2000 RPM. This setting balances efficiency with accuracy for professional-grade results
• Easy Sharpness Restoration: The dia-mond-coated surface maintains its cutting ability longer than standard bits. When needed, simply trim the tip with pliers to restore like-new sharpness, extending the tool's service life significantly
• Versatile Material Compatibility: These lapidary drill bits handle an impressive range of materials including precious stones (jade, agate, amber), ceramics, glass, semiconductor materials, and jewelry components, making them ideal for diverse creative and industrial applications

Features: 【High quality and durability】The drill bits are made of fine dia-mond powder, this gem drill bit is not only of high quality but also very durable, and can meet your various drilling needs, whether it is fine processing or daily use. 【High-speed drilling effect】This drill performs best when the speed of the drill reaches a higher level (such as 2000 RPM), which can achieve smoother and more precise drilling results. 【Recommended speed setting】For the best drilling experience, it is recommended to adjust the speed of the agate drill bits to at least 2000 RPM during use, which can ensure that the drilling process is both efficient and accurate. 【Easy to restore sharpness】Although the dia-mond coated lapidary drill bit may become dull after repeated use, you can restore it to its original sharpness by simply trimming the tip of the drill bit with pliers and continue to provide you with excellent service. 【Wide range of applications】Lapidary drill bits are suitable for drilling work in a variety of materials, including jewelry, ceramics, jade, agate, glass, amber, semiconductor materials, etc., providing you with great flexibility in your creation. Please Kindly Pay Attention: -Use cold water during the drilling hole operation. -Use high-speed(cannot exceed 6000 rpm) to drill holes with our drill bits. -Be stable, don't shake. Specifications: Condition: 100% Brand New and High Quality Material: Dia-mond Powder Color: Silver Length: Approx. 36mm/1.41" Diameter of Shank: 0.6mm/0.02" Diameter of Head: 1mm/0.04" Weight: Approx. 4g Quantity: 20pcs Precautions: Water must be added when the product is used. Precautions for use: 1. The full length can be shortened first, which can reduce shaking. 2. You can grind it with a whetstone to prevent slipping. 3. Need to keep adding water to cool down. Package Included: 20 x Lapidary Drill Bits Please Note: 1. Please allow some errors due to manual measurement. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.