Multipurpose Diamond Drill Bits

Multipurpose Diamond Drill Bits for tile, glass, stone and concrete, with OEM/ODM customization, controlled production and stable supply for distributors.

Fully Ground M35 Cobalt Black and Gold Drill Bit 135° Split Point for Stainless Steel and Hardened Steel Drilling

US$0.15-0.20 /pieces

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

MOQ 500 pieces
Model NO. diamond-1515
Service OEM / ODM
Quality You Can Trust
Flexible & Scalable Solutions
Customizable Product Options
Comprehensive Specifications
Your Reliable Business Partner

Introduction

useMetal Drillingdrill typeTwist Drill Bit
Shank Diameter0.5MM-20MMTotal Length22MM-205MM
finishBlack & Goldencustomized supportOEM, ODM
working length (mm)20mmShank TypeRound Shank
NameIndustrial grade fully ground black titanium twist drill bitMaterialCobalt 5% M35(Also support M2/M42)
ProcessFully Ground (Can also support Roll Forged or Edge Ground)ColorBlack & Golden
Point Angle135 Degree Split PointStandardDIN338, DIN340, DIN1897, DIN1869, Jobber Length
ApplicationStainless steel, High alloy steel, Cast ironShankRound Shank/Parallel Shank Jobber Twist Drill Bit
Flute TypeType N Right Hand CuttingKeywordBlack titanium twist drill set with storage case

We are a professional manufacturer and supplier, dedicated to maintaining consistent quality and establishing 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 Chinee Diamond Tools Co.,Ltd. All rights reserved.
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Fully Ground M35 Cobalt Black and Gold Drill Bit 135° Split Point for Stainless Steel and Hardened Steel Drilling

SKU: diamond-1515

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