Drill Bits-20PCS 1mm Diamond Coated Lapidary Drill Bits Solid Bits Needle for Jewelry Agate

★★★★★ 4.5 31 reviews

$9.69
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$9.69
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Product details

Management number 219042776 Release Date 2026/05/03 List Price $3.88 Model Number 219042776
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Descriptions: Our lapidary drill bits are made from diamond powder, precise and sturdy. It is perfect for drilling holes on the jewelry, ceramic, jade, agate, glass and amber etc. Using high-speed of drilling machine to drill will lead to a good drilling effect. Please use cold water to drill. Our drill bits are very sharp and you could use them for many times. It is a good drilling tool for you to choose from. Please Kindly Pay Attention: -Use cold water during the drilling hole operation -Use high-speed(Up 20000 RPM) to drill holes with our drill bits. -Be stable, don't shake Specifications: Condition: 100 Percent Brand New and High Quality Material: Diamond Powder Color: Silver Length: Approx. 36mm Diameter of Shank: 0.6mm Diameter of Head: 1mm Weight: Approx. 4g Quantity: 20PCS 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.

  • Constructed from premium diamond powder, these drill bits boast exceptional precision and durability, ensuring a superior performance for meticulous drilling tasks.
  • These drill bits are perfectly suited for creating precise holes in a variety of hard materials, including jewelry, ceramics, jade, agate, glass, amber, and semiconductor components, making them a versatile tool for detailed work.
  • Optimal drilling results are achieved when using these bits at high speeds, with a recommended drill machine speed of 2000 RPM or above to enhance the effectiveness of the drilling process.
  • Though high-quality, with repeated use, the sharpness of the drill bits may diminish over time. However, they can be easily refreshed by lightly trimming the tip with pliers, restoring their original sharpness for continued use.
  • Thanks to the use of high-grade diamond powder in their construction, the drill bits ensure longevity and continued top performance even after multiple sharpening sessions, making them a cost-effective choice for professionals and hobbyists alike.
Set Name 20
Brand Name Bruryan
Shank Type Straight
Unit Count 20.0 Count
Item Weight 4 Grams
Part Number Bruryan1x05ruvimz
Point Style Needle Point
Finish Types Diamond Coated
Manufacturer Bruryan
Material Type Diamond
Item Dimensions 4.72 x 4.33 x 4.33 inches
Tool Flute Type Straight
Number of Flutes 2
Number of Pieces 20
Surface Recommendation Ceramic,Glass

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31 ratings | 13 reviews
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