{"product_id":"bosch-hdg4-4-inch-diamond-grit-hole-saw-vacuum-brazed-for-granite-porcelain-tile-and-glass-wet-cutting-professional-masonry-tool","title":"Bosch HDG4 4 Inch Diamond Grit Hole Saw Vacuum Brazed for Granite Porcelain Tile and Glass Wet Cutting Professional Masonry Tool","description":"\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; background-color: #ffffff; padding: 20px;\"\u003e\n\u003ch2 style=\"color: #005691; margin-bottom: 15px;\"\u003eMaster the Hardest Materials with the Bosch HDG4 4-Inch Vacuum-Brazed Diamond Hole Saw\u003c\/h2\u003e\n\u003cp\u003eUnlock 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.\u003c\/p\u003e\n\u003cp\u003eBuilt 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.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Mandrel and pilot bit are sold separately.\u003c\/p\u003e\n\u003ch3 style=\"border-bottom: 1px solid #ddd; padding-bottom: 10px; margin-top: 30px;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 30px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eVacuum-Brazed Diamond Technology:\u003c\/strong\u003e Superior grit retention cuts faster and lasts longer in hard abrasive materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSegmented Tooth Design:\u003c\/strong\u003e Reduces friction and heat while effectively clearing debris for smoother operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Change Compatibility:\u003c\/strong\u003e Works with the Bosch universal system for rapid size swaps (mandrel required).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Plug Removal:\u003c\/strong\u003e Side slots allow for quick ejection of material cores to keep you working efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHard Material Specialist:\u003c\/strong\u003e Optimized for drilling granite, porcelain, marble, slate, glass, and ceramic tile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWet Cut Design:\u003c\/strong\u003e Engineered for use with water cooling to extend life and maintain cut quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-bottom: 30px;\"\u003e\n\u003cli\u003e(1) 4-Inch Diamond Grit Hole Saw (Model HDG4)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"border-bottom: 1px solid #ddd; padding-bottom: 10px; margin-top: 30px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 46.9231%; border-collapse: collapse; margin-bottom: 30px; height: 437px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: rgb(249, 249, 249); height: 22.3906px;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); font-weight: bold; height: 22.3906px; width: 40.6551%;\"\u003eModel Number\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); height: 22.3906px; width: 59.3449%;\"\u003eHDG4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22.3906px;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); font-weight: bold; height: 22.3906px; width: 40.6551%;\"\u003eHole Saw Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); height: 22.3906px; width: 59.3449%;\"\u003e4 In.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(249, 249, 249); height: 22.3906px;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); font-weight: bold; height: 22.3906px; width: 40.6551%;\"\u003eCutting Depth\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); height: 22.3906px; width: 59.3449%;\"\u003e1-1\/2 In.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22.3906px;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); font-weight: bold; height: 22.3906px; width: 40.6551%;\"\u003eBlade Material\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); height: 22.3906px; width: 59.3449%;\"\u003eVacuum-Brazed Diamond Grit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(249, 249, 249); height: 22.3906px;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); font-weight: bold; height: 22.3906px; width: 40.6551%;\"\u003eArbor Included\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); height: 22.3906px; width: 59.3449%;\"\u003eNo (Non-Arbored)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22.3906px;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); font-weight: bold; height: 22.3906px; width: 40.6551%;\"\u003eApplication Material\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); height: 22.3906px; width: 59.3449%;\"\u003eGranite, Porcelain, Tile, Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(249, 249, 249); height: 22.3906px;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); font-weight: bold; height: 22.3906px; width: 40.6551%;\"\u003eTool Compatibility\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); height: 22.3906px; width: 59.3449%;\"\u003eStandard Drill\/Drivers (Wet Mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22.3906px;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); font-weight: bold; height: 22.3906px; width: 40.6551%;\"\u003eWet\/Dry Usage\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); height: 22.3906px; width: 59.3449%;\"\u003eWet Only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(249, 249, 249); height: 22.3906px;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); font-weight: bold; height: 22.3906px; width: 40.6551%;\"\u003eRecommended Speed\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); height: 22.3906px; width: 59.3449%;\"\u003eVariable (Low RPM Recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22.3906px;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); font-weight: bold; height: 22.3906px; width: 40.6551%;\"\u003eUNSPSC\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); height: 22.3906px; width: 59.3449%;\"\u003e27112800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"background-color: #eef7ff; padding: 15px; border-left: 5px solid #005691; margin-top: 20px;\"\u003e\n\u003cstrong\u003ePro-Tip:\u003c\/strong\u003e 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.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BOSCH","offers":[{"title":"Default Title","offer_id":51510701621559,"sku":"HDG4","price":57.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2274\/5945\/files\/Bosch_HDG4_4_Inch_Diamond_Grit_Hole_Saw_Vacuum_Brazed_for_Granite_Porcelain_Tile_and_Glass_Wet_Cutting_Professional_Masonry_Tool.jpg?v=1767192700","url":"https:\/\/www.1toptools.com\/products\/bosch-hdg4-4-inch-diamond-grit-hole-saw-vacuum-brazed-for-granite-porcelain-tile-and-glass-wet-cutting-professional-masonry-tool","provider":"1 Top Tools","version":"1.0","type":"link"}