Diamond Core Drill Bits

Diamond Core Drill Bits for granite, concrete, stone and masonry, with OEM/ODM customization, stable supply, and export support for contractors and distributors.

Top Seller DIAMTOOL 1 1 4"UNC 450mm Concrete Drilling Wet Diamond Core Drill Bit With Laser Core

$5.80-32.50 /pieces

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

MOQ 10 pieces
Model NO. db-13943
Service OEM / ODM
Quality You Can Trust
Flexible & Scalable Solutions
Customizable Product Options
Comprehensive Specifications
Your Reliable Business Partner

Introduction

useConcrete Drillingdrill typeCore Drill Bit
Total Length450mm(17.72in)finishPaint
customized supportOEMMaterialDiamond powder and metal powder
Concrete drillingYesDrilling with waterYes
segment shapeFlatThread1-1/4"UNC
Total length450mmLaser core bitavailable
PackagecartonsColorblack, silver, red, yellow, golden, orange
Customizedavailable

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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Top Seller DIAMTOOL 1 1 4"UNC 450mm Concrete Drilling Wet Diamond Core Drill Bit With Laser Core

SKU: db-13943

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