Glass Drill Bits

Glass Drill Bits for tile, ceramic, and mirror drilling, supplied by an OEM/ODM manufacturer with custom sizes, stable quality control, and export-ready production.

20mm 68mm Vacuum Brazed Diamond Core Bit Porcelain Tile Hole Saw Marble Drill Hole Cutter Tiling Tools

$28-30.50 /acres

Price varies depending on material, logo, quantity and customization requirements.

MOQ 50 acres
Model NO. db-4286
Service OEM / ODM
Quality You Can Trust
Flexible & Scalable Solutions
Customizable Product Options
Comprehensive Specifications
Your Reliable Business Partner

Introduction

useMetal Drillingdrill typeCenter Drill Bit, Core Drill Bit
Total LengthotherfinishBlack Oxide, Zinc
customized supportOEM, ODM, OBMworking length (mm)other
Shank Typeotherdiameter20mm.25mm.32mm.35mm.40mm.45mm.50mm.68mm
hole diameterM14 or 5/8-11" threaduse forCeramic Marble Granite grinding
Shank TypeCore Drill Bit

We are China Loong Drill Bits Co., Ltd., a professional manufacturer and supplier specializing in Drill Bits. We have brought together and coordinated resources across the Drill Bits supply chain, enabling us to maintain consistent product quality and establish long-term partnerships with clients worldwide.

Our mission is to provide high-quality products and reliable service. We are committed to offering the following advantages:

  • Stable production system ensuring consistent quality, dependable supply, and standardized manufacturing management;
  • Strict quality control covering material selection, processing, surface finishing, and final packaging;
  • Variety of products and specifications to meet diverse project requirements and application scenarios;
  • OEM & customization support based on drawings, samples, or specific technical requirements;
  • Flexible packaging solutions to ensure safe handling and transportation of products;
  • Continuous improvement in products and services to better support customers in different markets.

If you are interested in our products, please feel free to contact us. We look forward to establishing long-term and mutually beneficial cooperation with you.

Copyright © 2026 China Loong Drill Bits Co., Ltd. All rights reserved.
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20mm 68mm Vacuum Brazed Diamond Core Bit Porcelain Tile Hole Saw Marble Drill Hole Cutter Tiling Tools

SKU: db-4286

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