{"product_id":"40mm-sintered-diamond-core-drill","title":"40mm Sintered Diamond Core Drill – Durable \u0026 Efficient for Gemstone, Glass \u0026 Ceramic Cutting","description":"\u003cstyle\u003e\n\/* 超链接样式 *\/\na {\n  text-decoration: none; \/* 去掉下划线 *\/\n  color: inherit;        \/* 让超链接颜色跟随文字 *\/\n  transition: all 0.3s ease; \/* 平滑过渡效果 *\/\n}\n\na:hover {\n  text-decoration: underline; \/* 鼠标悬停时加下划线 *\/\n}\n\n\/* 移动端优化 *\/\n@media only screen and (max-width: 768px) {\n  body {\n    font-size: 16px;       \/* 适合移动端的基础字体 *\/\n    line-height: 1.6;      \/* 增加可读性 *\/\n    padding: 0 10px;       \/* 防止内容贴边 *\/\n  }\n\n  a {\n    word-break: break-word; \/* 防止长链接溢出 *\/\n    font-size: 16px;        \/* 可根据需要调整 *\/\n  }\n\n  img {\n    max-width: 100%;       \/* 图片自适应屏幕宽度 *\/\n    height: auto;          \/* 保持比例 *\/\n  }\n\n  table {\n    width: 100%;           \/* 表格自适应宽度 *\/\n    display: block;\n    overflow-x: auto;      \/* 超宽表格可横向滚动 *\/\n  }\n}\n\u003c\/style\u003e\n\u003ch3\u003eOverview — High-Performance \u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-tools\" target=\"_blank\"\u003eSintered\u003c\/a\u003e \u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-tools\" target=\"_blank\"\u003eDiamond\u003c\/a\u003e \u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-tools\" target=\"_blank\"\u003eCore\u003c\/a\u003e \u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-tools\" target=\"_blank\"\u003eDrill\u003c\/a\u003e\n\u003c\/h3\u003e\n\u003cstyle\u003e\na {\n  text-decoration: none;\n  color: inherit;\n}\na:hover {\n  text-decoration: underline;\n}\n\u003c\/style\u003e\n\u003cp\u003eThe \u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-tools\" target=\"_blank\"\u003e\u003cstrong\u003eSintered\u003c\/strong\u003e\u003c\/a\u003e \u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-tools\" target=\"_blank\"\u003e\u003cstrong\u003eDiamond\u003c\/strong\u003e\u003c\/a\u003e \u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-tools\" target=\"_blank\"\u003e\u003cstrong\u003eCore\u003c\/strong\u003e\u003c\/a\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-tools\" target=\"_blank\"\u003e\u003cstrong\u003eDrill\u003c\/strong\u003e\u003c\/a\u003e is \u003ca href=\"https:\/\/www.hansinc.com\/\"\u003eengineered\u003c\/a\u003e for \u003cstrong\u003ehigh-performance \u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-core-drill-bits\" target=\"_blank\"\u003edrilling\u003c\/a\u003e\u003c\/strong\u003e in ultra-hard \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/50g-80000grit-diamond-polishing-lapping-paste-compound-precision-finishing-for-hard-materials\"\u003ematerials\u003c\/a\u003e like \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/12x-036x-048-diamond-red-thin-rim-sintered-cutting-saw-blade-for-lapidary-glass-ceramic-porcelain-tile-stone\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003estone\u003c\/strong\u003e\u003c\/a\u003e, \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/diamond-stained-glass-lapidary-grinder-radius-angle-head-bits\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eglass\u003c\/strong\u003e\u003c\/a\u003e, \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/6-flexible-diamond-glass-ceramic-porcelain-lapidary-stone-sanding-disc-pads\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eceramics\u003c\/strong\u003e\u003c\/a\u003e, and \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/6-metal-upper-thin-plate-with-psa-backing\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003emetals\u003c\/strong\u003e\u003c\/a\u003e. Its \u003cstrong\u003e\u003cstrong data-start=\"447\" data-end=\"489\"\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-sintered-grinding-wheels\"\u003esintered\u003c\/a\u003e \u003c\/strong\u003e \u003cstrong data-start=\"447\" data-end=\"489\"\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-core-drill\"\u003ediamond\u003c\/a\u003e\u003c\/strong\u003e matrix\u003c\/strong\u003e ensures unmatched durability and \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/8-10pcs-sio-lapping-film-precision-polishing-films-disc\"\u003eprecision\u003c\/a\u003e, making it indispensable for \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-grinding-wheel\"\u003eindustrial\u003c\/a\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-grinding-wheel\"\u003e,\u003c\/a\u003e \u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/\" target=\"_blank\"\u003elapidary\u003c\/a\u003e, and artistic workflows.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.hansinc.com\/\"\u003eEngineered\u003c\/a\u003e for \u003ca href=\"https:\/\/www.flexiblediamondproduct.com\/\"\u003eprofessionals\u003c\/a\u003e who demand \u003ca href=\"https:\/\/www.hansinc.com\/\"\u003edurability\u003c\/a\u003e, accuracy, and long-lasting \u003ca href=\"https:\/\/www.hansinc.com\/\"\u003eperformance\u003c\/a\u003e, our \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-tools\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eSintered\u003c\/strong\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-tools\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eDiamond\u003c\/strong\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-tools\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eCore\u003c\/strong\u003e\u003c\/a\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-tools\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eDrill\u003c\/strong\u003e\u003c\/a\u003e deliver \u003ca href=\"https:\/\/www.diamondwiresaw.com\/\"\u003eexceptional\u003c\/a\u003e results \u003ca href=\"https:\/\/www.diamondwiresaw.com\/\"\u003eacross\u003c\/a\u003e a \u003ca href=\"https:\/\/www.diamondwiresaw.com\/\"\u003ewide\u003c\/a\u003e range of \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/50g-80000grit-diamond-polishing-lapping-paste-compound-precision-finishing-for-hard-materials\"\u003ematerials\u003c\/a\u003e. Unlike \u003ca href=\"https:\/\/www.diamondwiresaw.com\/\"\u003econventional\u003c\/a\u003e \u003ca href=\"https:\/\/www.hansinc.com\/plated-diamond-products\"\u003eplated\u003c\/a\u003e or \u003ca href=\"https:\/\/www.hansinc.com\/\"\u003ebrazed\u003c\/a\u003e \u003ca href=\"https:\/\/www.hansinc.com\/\"\u003ealternatives\u003c\/a\u003e, these \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-core-drill-bits\"\u003ebits\u003c\/a\u003e feature an \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-grinding-wheel\"\u003eindustrial\u003c\/a\u003e-grade \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-sintered-grinding-wheels\"\u003esintered\u003c\/a\u003e \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-core-drill\"\u003ediamond\u003c\/a\u003e \u003ca href=\"https:\/\/www.diamondwiresaw.com\/\"\u003ebond\u003c\/a\u003e—\u003ca href=\"https:\/\/www.diamondwiresaw.com\/\"\u003eembedding\u003c\/a\u003e \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-core-drill\"\u003ediamond\u003c\/a\u003e particles \u003ca href=\"https:\/\/www.diamondwiresaw.com\/\"\u003ethroughout\u003c\/a\u003e the entire matrix for a lifespan up to \u003cstrong\u003e3 to 5 times longer.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eApplications — \u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/\" target=\"_blank\"\u003eLapidary\u003c\/a\u003e, \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/12x-036x-048-diamond-red-thin-rim-sintered-cutting-saw-blade-for-lapidary-glass-ceramic-porcelain-tile-stone\" rel=\"noopener\" target=\"_blank\"\u003eStone\u003c\/a\u003e, \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/diamond-stained-glass-lapidary-grinder-radius-angle-head-bits\" rel=\"noopener\" target=\"_blank\"\u003eGlass\u003c\/a\u003e, \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/6-metal-upper-thin-plate-with-psa-backing\" rel=\"noopener\" target=\"_blank\"\u003eMetals\u003c\/a\u003e \u0026amp; \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/6-flexible-diamond-glass-ceramic-porcelain-lapidary-stone-sanding-disc-pads\" rel=\"noopener\" target=\"_blank\"\u003eCeramics\u003cstrong\u003e\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"594\" data-end=\"902\"\u003eWhether you're a \u003cstrong data-start=\"611\" data-end=\"649\"\u003e\u003ca href=\"https:\/\/www.lapidarytool.com\/\"\u003elapidary\u003c\/a\u003e \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/diamond-stained-glass-lapidary-grinder-helix-head-bit\"\u003eartist\u003c\/a\u003e \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/68mm-sintered-diamond-core-drill\"\u003edrilling\u003c\/a\u003e gem\u003ca href=\"https:\/\/lapidarygrinder.com\/products\/12x-036x-048-diamond-red-thin-rim-sintered-cutting-saw-blade-for-lapidary-glass-ceramic-porcelain-tile-stone\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003estone\u003c\/strong\u003e\u003c\/a\u003es\u003c\/strong\u003e, a \u003cstrong data-start=\"653\" data-end=\"704\"\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/products\/12x-036x-048-diamond-red-thin-rim-sintered-cutting-saw-blade-for-lapidary-glass-ceramic-porcelain-tile-stone\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003estone\u003c\/strong\u003e\u003c\/a\u003e fabricator working with \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/1800grit-diamond-hand-polishing-pads\"\u003egranite\u003c\/a\u003e or \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/94x2-5-replacement-diamond-band-saw-blade\"\u003emarble\u003c\/a\u003e\u003c\/strong\u003e, or an \u003cstrong data-start=\"712\" data-end=\"762\"\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-grinding-wheel\"\u003eindustrial\u003c\/a\u003e machinist handling \u003ca href=\"https:\/\/www.diamondwiresaw.com\/diamond-wire-saw\"\u003eaerospace\u003c\/a\u003e \u003ca href=\"https:\/\/www.diamondwiresaw.com\/tungsten-steel-drill-bits\/16mm-shaft\"\u003ealloys\u003c\/a\u003e\u003c\/strong\u003e, these \u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-tools\" target=\"_blank\"\u003ecore\u003c\/a\u003e \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/15-7mm-tapered-hole-water-swivel-chuck-with-adapter-for-1-2-gas-thread-diamond-core-drills\"\u003edrills \u003c\/a\u003eensure clean, \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-core-drill-bits\"\u003eburr\u003c\/a\u003e-free \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/32mm-to-22-22mm-5pcs-set-saw-blade-arbor-adapter\"\u003eholes\u003c\/a\u003e in even the \u003ca href=\"https:\/\/www.diamondwiresaw.com\/laser-welded-blade\/tear-slot-diamond-blade\"\u003etoughest\u003c\/a\u003e \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/50g-80000grit-diamond-polishing-lapping-paste-compound-precision-finishing-for-hard-materials\"\u003ematerials\u003c\/a\u003e including \u003cstrong\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/products\/6-flexible-diamond-glass-ceramic-porcelain-lapidary-stone-sanding-disc-pads\"\u003eceramic\u003c\/a\u003e, \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/150x20x0-18-10pcs-diamond-notched-rim-glass-tile-lapidary-rock-slab-cutting-saw-blades\"\u003etile\u003c\/a\u003e, \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/1-0mm-10pcs-400mm-length-diamond-wire-saw-blade-cutter-jade-amber-sapphire-cutting-saw-blade-tool-saw-blades-cutting-metal-wire\"\u003esapphire\u003c\/a\u003e\u003c\/strong\u003e, and \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-grinding-wheel\"\u003ehardened\u003c\/a\u003e \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/6-metal-upper-thin-plate-with-psa-backing\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003emetals\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eTechnical Advantages — \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-tools\" rel=\"noreferrer\" target=\"_blank\"\u003eSintered\u003c\/a\u003e vs \u003ca href=\"https:\/\/www.hansinc.com\/plated-diamond-products\"\u003ePlated\u003c\/a\u003e \u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-tools\" target=\"_blank\"\u003eDiamond\u003c\/a\u003e \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-core-drill-bits\"\u003eBits\u003c\/a\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"904\" data-end=\"1193\"\u003eUnlike \u003ca href=\"https:\/\/www.hansinc.com\/\"\u003estandard\u003c\/a\u003e \u003cstrong data-start=\"920\" data-end=\"952\"\u003e\u003cstrong data-start=\"447\" data-end=\"489\"\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-core-drill\"\u003ediamond\u003c\/a\u003e\u003c\/strong\u003e \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/15-7mm-tapered-hole-water-swivel-chuck-with-adapter-for-1-2-gas-thread-diamond-core-drills\"\u003edrills\u003c\/a\u003e \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-core-drill-bits\"\u003ebits\u003c\/a\u003e for \u003c\/strong\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/products\/12x-036x-048-diamond-red-thin-rim-sintered-cutting-saw-blade-for-lapidary-glass-ceramic-porcelain-tile-stone\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003estone\u003c\/strong\u003e\u003c\/a\u003e, \u003cstrong data-start=\"447\" data-end=\"489\"\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-sintered-grinding-wheels\"\u003esintered\u003c\/a\u003e\u003c\/strong\u003e \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-core-drill-bits\"\u003ebits\u003c\/a\u003e maintain \u003ca href=\"https:\/\/www.diamondwiresaw.com\/\"\u003eedge\u003c\/a\u003e \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/8x1-2-lapidary-glass-flat-lap-ginder-copper-flat-polishing-lap\"\u003esharpness\u003c\/a\u003e, \u003ca href=\"https:\/\/www.diamondwiresaw.com\/\"\u003eresist\u003c\/a\u003e \u003ca href=\"https:\/\/www.hansinc.com\/\"\u003eheat\u003c\/a\u003e, and offer \u003ca href=\"https:\/\/www.hansinc.com\/\"\u003esuperior\u003c\/a\u003e \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/red-thin-rim-diamond-lapidary-saw\"\u003ecutting \u003c\/a\u003eefficiency—making them \u003ca href=\"https:\/\/www.diamondwiresaw.com\/\"\u003eideal\u003c\/a\u003e for \u003ca href=\"https:\/\/www.diamondwiresaw.com\/\"\u003elong-\u003c\/a\u003eterm \u003ca href=\"https:\/\/www.flexiblediamondproduct.com\/\"\u003eprofessional\u003c\/a\u003e use. They’re \u003ca href=\"https:\/\/www.hansinc.com\/\"\u003ecompatible\u003c\/a\u003e with \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/10mm-10pcs-400grit-diamond-chamfering-countersink-bits\"\u003erotary\u003c\/a\u003e \u003ca href=\"https:\/\/www.lapidarytool.com\/\"\u003etools\u003c\/a\u003e, \u003ca href=\"https:\/\/www.hansinc.com\/\"\u003eCNC\u003c\/a\u003e \u003ca href=\"https:\/\/www.lapidarytool.com\/lapidary-polisher-and-saw\/lapidary-polisher-and-saw\/lapidary-grinder-polisher\"\u003emachines\u003c\/a\u003e, and \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-sintered-grinding-wheels\"\u003esintered\u003c\/a\u003e  \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-core-drill\"\u003ediamond\u003c\/a\u003e Dremel \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-core-drill-bits\"\u003ebits\u003c\/a\u003e setups.\u003c\/p\u003e","brand":"hanslapidarytool","offers":[{"title":"Default Title","offer_id":51029463433400,"sku":null,"price":20.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/3217\/9896\/files\/Metal_Bonded_Core_Drill.jpg?v=1742868611","url":"https:\/\/lapidarygrinder.com\/en-ca\/products\/40mm-sintered-diamond-core-drill","provider":"hanslapidarytool","version":"1.0","type":"link"}