1 1 4 UNC M22 M14 Thread Dry Diamond Core Drill Bit for Reinforced Concrete Stone Masonry Drilling 370 420mm Factory Direct
$6-7
/pieces
Price varies depending on material, logo, quantity and customization requirements.
Quality You Can Trust
Flexible &
Scalable Solutions
Customizable Product Options
Comprehensive Specifications
Your Reliable Business Partner
Category:
Marble Drill Bits
Introduction
| use | Masonry Drilling | drill type | Core Drill Bit |
| Shank Diameter | 18~330mm(0.71~12.99in) | Total Length | 370mm~420mm(14.57in~16.54in) |
| finish | Plain | customized support | OEM, ODM, OBM |
| working length (mm) | 350-400mm(13.78-15.75in) | Shank Type | 1/2 gas, M14, M12, M22,5/8"-11,1 3/4 thread 1-1/4 |
| Will it burn up when dry drilling? | High-Freq Welded! Ultra-strong bond, heat-proof. Zero burning! | Can it cut through rebar? | High-freq weld holds teeth tight! Cuts rebar smooth, no chipping. |
| How long does it last? | Weld is tough, bit lasts longer! 50+ holes in standard walls. | Easy for beginners? | No water needed! Tough weld, foolproof for DIY starters. |
| What machine fits? | Fits most machines on the market! Custom thread adapters available! | How aggressive is the bit? | Super aggressive! High-freq weld keeps bits sharp for fast cuts. |
| Does it work on marble and granite? | Ideal for granite/marble. One bit for stone & rebar concrete! |
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.
