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Description
Bosch HDG4 4 Inch Diamond Grit Hole Saw Vacuum Brazed for Granite Porcelain Tile and Glass Wet Cutting Professional Masonry ToolMaster the Hardest Materials with the Bosch HDG4 4 Inch Vacuum Brazed Diamond Hole Saw Unlock professional grade performance in masonry and stone applications with the Bosch HDG4 4 Inch Diamond Hole Saw. Engineered with premium vacuum brazed diamond grit, this cutter is designed to bite through the toughest materialsincluding porcelain, granite, slate, glass, and ceramic tilewhere standard bi metal saws fail. The vacuum brazing technology fuses the
Master the Hardest Materials with the Bosch HDG4 4-Inch Vacuum-Brazed Diamond Hole Saw
Unlock professional-grade performance in masonry and stone applications with the Bosch HDG4 4-Inch Diamond Hole Saw. Engineered with premium vacuum-brazed diamond grit, this cutter is designed to bite through the toughest materials—including porcelain, granite, slate, glass, and ceramic tile—where standard bi-metal saws fail. The vacuum-brazing technology fuses the diamond particles directly to the steel edge, ensuring the grit remains intact during rigorous use, cutting faster and lasting significantly longer than traditional diamond-coated bits.
Built for efficiency, the HDG4 features segmented teeth that actively reduce heat buildup and clear debris, ensuring clean, precise cuts every time. It is fully compatible with the Bosch Quick Change universal hole saw system, allowing you to swap between sizes in seconds without additional tools. Designed for wet sawing applications, this accessory ensures safety and longevity when paired with a GFCI-protected circuit. Whether you are installing plumbing fixtures in granite countertops or running conduit through porcelain tile, this hole saw delivers the durability and speed required for the job.
Note: Mandrel and pilot bit are sold separately.
Key Features
- Vacuum-Brazed Diamond Technology: Superior grit retention cuts faster and lasts longer in hard abrasive materials.
- Segmented Tooth Design: Reduces friction and heat while effectively clearing debris for smoother operation.
- Quick Change Compatibility: Works with the Bosch universal system for rapid size swaps (mandrel required).
- Easy Plug Removal: Side slots allow for quick ejection of material cores to keep you working efficiently.
- Hard Material Specialist: Optimized for drilling granite, porcelain, marble, slate, glass, and ceramic tile.
- Wet Cut Design: Engineered for use with water cooling to extend life and maintain cut quality.
What's Included:
- (1) 4-Inch Diamond Grit Hole Saw (Model HDG4)
Specifications
| Model Number | HDG4 |
| Hole Saw Diameter | 4 In. |
| Cutting Depth | 1-1/2 In. |
| Blade Material | Vacuum-Brazed Diamond Grit |
| Arbor Included | No (Non-Arbored) |
| Application Material | Granite, Porcelain, Tile, Glass |
| Tool Compatibility | Standard Drill/Drivers (Wet Mode) |
| Wet/Dry Usage | Wet Only |
| Recommended Speed | Variable (Low RPM Recommended) |
| UNSPSC | 27112800 |
Pro-Tip: To start a hole without a pilot bit, hold the drill at a 45-degree angle to the surface. creating a "smile" groove. Once the groove is established, slowly bring the drill upright to 90 degrees while applying water to keep the cut cool and clean.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.6 ★★★★★
Based on 957 reviews
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Product Reviews
★★★★★ 5
Pluralism as a positive good
Format: Paperback
Anyone iterested in how religions might think of their co-religionists should read this book. It pushes at the boundaries of settled views and points the way to a different future for interreligious relations. One of the best books on the fiedl for some time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 4, 2017
★★★★★ 5
Digital Detective Delight
Format: Paperback
Learn Computer Forensics is a standout resource that makes diving into digital investigations feel both exciting and achievable. Right from the first pages, you are drawn in with relatable scenarios...uncovering clues from a smartphone or piecing together a story from social media posts. The author’s warm, conversational style turns what could be a dry subject into a fascinating journey, making complex ideas like evidence preservation and chain of custody feel straightforward and even a little fun to explore.
As you work your way through the book, you’ll find clear, hands-on advice for setting up your own forensic workstation and choosing the right tools for the job. Chapters on Windows artifacts, RAM analysis, and email investigations guide you step by step. What makes these sections especially engaging is the way each lesson includes practical exercises. By winding your way through browser history or reconstructing email paths, you gain real skills instead of just theory. It feels less like following a checklist and more like cracking a case alongside a friendly mentor.
What really sets this edition apart is its human touch. The author peppers in personal anecdotes...like tips for sketching a crime scene or handling tricky insider-threat investigations...that add personality and context. You’ll walk away not only understanding how to pull data from a disk image but also why certain methods matter in real-life cases. If you want a forensics book that feels less like a textbook and more like a conversation with a seasoned investigator, this is it. It earns every one of its five stars.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2025
★★★★★ 5
Great investment
Format: Paperback
This is a great investment and I am also following the experienced Author of this book.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 27, 2025
★★★★★ 5
Great read and informative
Format: Paperback
Highly informative and a great read. Not done yet but am learning a lot.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 26, 2025
★★★★★ 4
A book covering most of the aspects of digital forensics
Format: Paperback
In my opinion, this book is really well written with a flowing and progressing layout. The chapters build up from the basics of digital forensics walking through all the core concepts up until specialized areas of digital forensics such as dead box forensics , network investigations, and online and #OSINT investigations.
Not only does the book give comprehensive information on all the key aspects of digital forensics such as searching, analyzing, acquiring, and securing digital evidence but it also provides its readers a taste of how it is like conducting digital forensics examinations in a professional setting such as law enforcement.
Piecing together theoretical knowledge with the professional settings the knowledge will be utilized in, the author made sure to include key details such as the different types of graphical evidence examiners may encounter such as child sexual assault, the importance of chain of custody if the case were to go to trial, forensically sound examination environments and how you must maintain control of the environment and much more.
Not only does the book cover in detail the foundations of digital forensics but it also covers some of the advanced topics such as RAM forensics, internet evidence, cloud computing, and OSINT investigations. These topics build on the foundations discussed earlier in the book and are very critical as real-life cases usually encompass most of these intricacies. Understanding what evidence may be discovered in each of these locations and how to use the tools are very critical for a successful career as a digital forensic analyst.
Report writing is often overlooked but actually is the most important aspect in digital forensics. The last two chapters are a must-read for everyone in this field. The author discusses writing credible reports and ensuring they are peer-reviewed along with ethics.
This was a welcome read, being so many want to get into this space and are unaware of the atrocities they may find. Whether you're just starting out in computer forensics or want to expand your knowledge of digital forensics. This is an excellent addition to your reading list.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 29, 2022
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