--- product_id: 9728888 title: "GT100 1/8inch Carbide Tipped Glass" brand: "bosch" price: "€ 11.45" currency: EUR in_stock: true reviews_count: 11 category: "Bosch" url: https://www.desertcart.hr/products/9728888-gt100-1-8inch-carbide-tipped-glass store_origin: HR region: Croatia --- # Precision tip for zero bit wandering Carbide tip with diamond ground edges for durability 3-flat shank prevents slippage on larger bits GT100 1/8inch Carbide Tipped Glass **Brand:** bosch **Price:** € 11.45 **Availability:** ✅ In Stock ## Summary > 🔧 Drill like a pro, finish like a boss. ## Quick Answers - **What is this?** GT100 1/8inch Carbide Tipped Glass by bosch - **How much does it cost?** € 11.45 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/9728888-gt100-1-8inch-carbide-tipped-glass) ## Best For - bosch enthusiasts ## Why This Product - Trusted bosch brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Grip & Go Confidence:** Three flat shank design ensures superior grip and zero slippage during intense jobs. - • **Engineered for Endurance:** High-quality carbide and reinforced head resist cracking and extend bit life. - • **Speed Without Compromise:** Innovative geometry drills faster, letting you finish projects ahead of schedule. - • **Pinpoint Accuracy Every Time:** Bosch’s unique precision tip eliminates bit walking for flawless drilling. - • **Versatility Meets Performance:** Ideal for glass, tile, mirrors, and concrete screws—one bit, endless applications. ## Overview The Bosch GT100 1/8 inch Carbide Tipped Glass & Tile Bit is precision-engineered with a unique spear point tip and diamond ground carbide edges to deliver unmatched durability and accuracy. Its reinforced head and three-flat shank design prevent cracking and slippage, making it perfect for drilling through glass, tile, and specialty materials with best-in-class speed and longevity. ## Description Product Description Engineered for use in Glass, Regular and other specialty Tiles (Specialty Tiles that may be harder than normal ones). From the Manufacturer Glass and tile applications have never been easier! Nobody but Bosch is offering the innovation found in our product design. Our product features an unique product geometry with a precision tip, high quality carbide and reinforced head that results in best-in-class speed and life when cutting in glass and tile. Review: Outstanding Glass/Tile Bit Set - I had to drill 12 holes through my shower tiles to install grab bars for my wife. I was more than apprehensive since I had never drilled tile before. I wanted to get a good set of drill bits to minimize the chance of breaking irreplaceable tiles (1950s color is no longer available). After looking at many glass/tile bits and bit sets, reading review after review, I finally settled on the Bosch GT3000 8-piece set. I couldn't have made a better choice. After placing the grab bars where I wanted them, I masked over the footprint for each end of the bars, then placed the bars back on their desired location and marked where each hole would go. Then, taking "the bit in my teeth," so to speak, I got ready to drill the first hole. I had filled a water bottle to cool the bit, just as I had read on some "how-to" site. I pressed the bit tip into the tile and heard a small crack as the tip penetrated the glaze. Drilling at a slow speed and keeping a small stream of water at the contact point, I proceeded. My heart was beating a 100 times a minute and my breathing was shallow. I was scared to death. Within seconds, the bit was through the tile. On to the second hole - same experience. Then, before I knew it, I had all twelve holes drilled and not one cracked or chipped tile. These bits are so sharp that the twelfth hole drilled as easily and quickly as the first, and every hole was clean as a whistle. I finished the holes with a regular titanium high speed bit, mounted the bars, and voila, a done deal. I cannot say enough in praise about these Bosch glass/tile bits. They are worth every cent andt then some. I highly recommend them. When you buy the best, you can expect the best in performance. Oh, and the case is really nice, too. And, the buying experience? It was worth the time spent researching, being a Prime member and getting the bits two days after ordering, free shipping, and everything else I've come to expect from desertcart. I also bought with confidence knowing that desertcart stands behind everything they sell. All-in-all, and excellent experience. Review: Great tile bit - Worked great. Used it quite a bit already, and it does not seem to dull very fast which is great when working with tile. ## Features - PRECISION: Features Bosch’s unique product design with a precision tip to help solve any bit wandering or bit walking - QUALITY: This glass and tile set includes a high-quality carbide tip with a reinforced head to reduce stress, prevent bit cracking and the diamond ground cutting edges provide a longer life - VERSATILE: Perfect for common applications such as relief holes for glass cutting, bathroom and shower installs, drilling and fastening mirrors, setting concrete screws in tile and many more - RELIABLE: The three flat shank provides superior grip on 5 16 in. bits and larger to prevent slippage. The Bosch Glass & Tile bits are easy to use while still providing best-in-class speed so you can get the job done faster - INNOVATIVE: Featuring the Bosch branded, innovative geometry allows bits to drill faster. Each bit is clearly labeled so you can select the correct fit for the task ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00292AAU2 | | Best Sellers Rank | #7,201 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #17 in Jobber Drill Bits | | Brand Name | Bosch | | Customer Reviews | 4.4 4.4 out of 5 stars (5,046) | | Cutting Angle String | 120 Degrees | | Cutting Diameter | 0.13 Inches | | Finish Types | Black Oxide | | Global Trade Identification Number | 00000346372243 | | Included Components | ... | | Item Type Name | ... | | Item Weight | 0.3 Ounces | | Manufacturer | Bosch | | Material Type | Carbide | | Minimum Bore Diameter | 0.13 Inches | | Model | GT100 | | Number of Flutes | 1 | | Point Style | Spear Point | | Shank Type | 3-Flat | | Surface Recommendation | Glass, Tile | | Tool Flute Type | Spiral | | UPC | 000346372243 | | Unit Count | 1.0 Count | | Warranty Description | No | ## Product Details - **Cutting Angle String:** 120 Degrees - **Cutting Diameter:** 0.13 Inches - **Finish Type:** Black Oxide - **Material:** Carbide - **Shank Type:** 3-Flat ## Images ![GT100 1/8inch Carbide Tipped Glass - Image 1](https://m.media-amazon.com/images/I/61qOKjXu4nL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Questions & Answers **Q: can i use this on porcelain tile?** A: Thank you for your question. The GT700 is not designed for Porcelain. The HDG58 diamond hole saw works well for Porcelain tile, Granite, Limestone, Ceramic Tile, Travertine, Marble and Slate. http://www.amazon.com/Bosch-HDG58-15mm-Diamond-Grit/dp/B003TO5F7W/ref=sr_1_1?s=hi&ie=UTF8&qid=1434401527&sr=1-1&keywords=Bosch+HDG58 If you have further questions please feel free to contact our Bosch Customer Service Representatives at 1-877-BOSCH-99 (1-877-267-2499). **Q: The description reads,'Chuck Size: 3/8 in & 1/2 in'. Does this mean there is no reduced shank and I need a 1/2 drill for the larger bits?** A: Thank you for your question. All of the bits included in the GT3000 will work in a 3/8" chuck, the shank is small enough that it will work in both a 3/8" or 1/2" drill chuck. If you have further questions please feel free to contact our Bosch Customer Service Representatives at 1-877-BOSCH-99 (1-877-267-2499). **Q: Do these offer any advantages over a diamond hole saw?** A: Honestly, I have used both and I prefer to use a Diamond-grit hole saw, but if price is a factor and you will be using multiple sizes this can't be beat. I have used Ridgid diamond hole saws and also Milwaukee diamond hole saws and I would recommend the Milwaukee ones. The only issue with these bits is they can "walk" on the material so you have to start slow and I also use water in a squirt bottle **Q: Looking to buy and use one of these to drill a hole in a decorative dish to provide drainage for plants. What size would be recommended?** A: That depends on how large the dish is and what sort of drainage material you plan to use (aka "crocking" in gardening-speak)t. If it's a large dish, I would definitely use some sort of screen in the bottom (fiberglass window screen works well, cut to fit) and a larger bit, anywhere between 1/4" to 1/2". If it's a smaller dish and you don't intend to use screen in the bottom, I'd use a bit between 3/16" and 3/8", depending on the potting material and what sort of drainage material you use in the bottom of the bottom. Basically, if the holes are too small, they'll clog up, but if they're too large and your crocking isn't sufficient to hold back the soil, you'll lose it very quickly as you water the plant. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Outstanding Glass/Tile Bit Set *by S***E on May 28, 2012* I had to drill 12 holes through my shower tiles to install grab bars for my wife. I was more than apprehensive since I had never drilled tile before. I wanted to get a good set of drill bits to minimize the chance of breaking irreplaceable tiles (1950s color is no longer available). After looking at many glass/tile bits and bit sets, reading review after review, I finally settled on the Bosch GT3000 8-piece set. I couldn't have made a better choice. After placing the grab bars where I wanted them, I masked over the footprint for each end of the bars, then placed the bars back on their desired location and marked where each hole would go. Then, taking "the bit in my teeth," so to speak, I got ready to drill the first hole. I had filled a water bottle to cool the bit, just as I had read on some "how-to" site. I pressed the bit tip into the tile and heard a small crack as the tip penetrated the glaze. Drilling at a slow speed and keeping a small stream of water at the contact point, I proceeded. My heart was beating a 100 times a minute and my breathing was shallow. I was scared to death. Within seconds, the bit was through the tile. On to the second hole - same experience. Then, before I knew it, I had all twelve holes drilled and not one cracked or chipped tile. These bits are so sharp that the twelfth hole drilled as easily and quickly as the first, and every hole was clean as a whistle. I finished the holes with a regular titanium high speed bit, mounted the bars, and voila, a done deal. I cannot say enough in praise about these Bosch glass/tile bits. They are worth every cent andt then some. I highly recommend them. When you buy the best, you can expect the best in performance. Oh, and the case is really nice, too. And, the buying experience? It was worth the time spent researching, being a Prime member and getting the bits two days after ordering, free shipping, and everything else I've come to expect from Amazon. I also bought with confidence knowing that Amazon stands behind everything they sell. All-in-all, and excellent experience. ### ⭐⭐⭐⭐⭐ Great tile bit *by J***T on February 23, 2026* Worked great. Used it quite a bit already, and it does not seem to dull very fast which is great when working with tile. ### ⭐⭐⭐⭐ Drilling Hardened Steel *by M***R on October 5, 2025* I've been making knives. I need to drill pin holes into hardened steel. Not as easy task. I bought the 1/8" 5 pack. The first one did great. I drilled about a dozen holes before the shaft shattered. The 2nd bit drilled 1-1/2 holes and it just stopped drilling. I am using a cutting fluid oil. That is a must. Drill slow. With a bit of oil I drill till I break the surface. I back off and add more fluid. I dill about 1/3 the way and back off for more fluid. Then 2/3. Then final punch thru. Holse are clean and look good. I'm not sure why 1 bit lasted for about a dozen holes and the 2nd lasted for 1-1/2 holes. ## Frequently Bought Together - BOSCH GT100 1/8inch Carbide Tipped Glass - Jamiikury 1/8" / 3mm Diamond Hole Saw Drill Bits, Glass Tile Hole Saw - Pack of 15 - Luomorgo 12Pcs 3mm/1/8 inch Diamond Hole Saw, 1/5 inch Cutting Depth Diamond Diamond Drill Bits for Glass Ceramic Marble Porcelain Tile Granite Quartz Gemstone --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/9728888-gt100-1-8inch-carbide-tipped-glass](https://www.desertcart.hr/products/9728888-gt100-1-8inch-carbide-tipped-glass) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-04-24*