{"product_id":"alpha-core-bit-extenders-1","title":"Alpha Core Bit Extenders","description":"\u003ch2 style=\"color:#231F20; font-size:28px; margin-bottom:18px;\"\u003eAlpha Core Bit Extenders\u003c\/h2\u003e\u003cp style=\"color:#231F20; font-size:15px; line-height:1.7;\"\u003eAlpha® Core Bit Extenders convert a rotary or hammer drill with an SDS-Plus shank into a dry core drilling setup with a 5\/8\"-11 female thread. Designed to reach hollow concrete blocks and other hard-to-access areas, the extenders are constructed from high-strength steel and pair with Alpha® diamond-tipped core bits to drill concrete, brick, pavers and stone.\u003c\/p\u003e\u003ch4 style=\"color:#F15C22; font-size:18px; margin-top:30px;\"\u003eFeatures\u003c\/h4\u003e\u003cul style=\"color:#231F20; font-size:14px; line-height:1.8;\"\u003e\n\u003cli\u003eConverts SDS-Plus rotary\/hammer drills to 5\/8\"-11 thread for dry core drilling\u003c\/li\u003e\n\u003cli\u003eExtends reach into hard-to-access areas, including hollow concrete block walls\u003c\/li\u003e\n\u003cli\u003eHigh-strength steel construction for durability under load\u003c\/li\u003e\n\u003cli\u003eAvailable in 6\" (Short) and 10\" (Long) SDS-Plus shank lengths\u003c\/li\u003e\n\u003cli\u003eCompatible with diamond-tipped dry core bits (use without percussion)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstyle\u003e\n.dst-accordion { margin-top: 25px; border: 1px solid #FDDCC5; border-radius: 6px; overflow: hidden; }\n.dst-accordion-item { border-bottom: 1px solid #FDDCC5; }\n.dst-accordion-item:last-child { border-bottom: none; }\n.dst-accordion-toggle { display: none; }\n.dst-accordion-label { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; cursor: pointer; font-size: 17px; font-weight: 700; color: #231F20; background: #fff; transition: background 0.2s; }\n.dst-accordion-label:hover { background: #FFF3EB; }\n.dst-accordion-label::after { content: '+'; font-size: 22px; font-weight: 700; color: #F15C22; transition: transform 0.3s; }\n.dst-accordion-toggle:checked + .dst-accordion-label { background: #FFF3EB; }\n.dst-accordion-toggle:checked + .dst-accordion-label::after { content: '\\2212'; }\n.dst-accordion-content { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; padding: 0 20px; background: #fff; }\n.dst-accordion-toggle:checked ~ .dst-accordion-content { max-height: 5000px; padding: 15px 20px 20px; }\n\u003c\/style\u003e\u003cdiv class=\"dst-accordion\"\u003e\n\u003cdiv class=\"dst-accordion-item\"\u003e\n\u003cinput type=\"checkbox\" id=\"acc-core-bit-extenders-models\" class=\"dst-accordion-toggle\" checked\u003e\u003clabel for=\"acc-core-bit-extenders-models\" class=\"dst-accordion-label\"\u003eModels \/ Part Numbers\u003c\/label\u003e\u003cdiv class=\"dst-accordion-content\"\u003e\u003ctable style=\"width:100%; border-collapse:collapse; color:#231F20; font-size:14px;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#FFF8F3;\"\u003e\n\u003cth style=\"padding:8px 12px; text-align:left; border-bottom:2px solid #F15C22;\"\u003ePart No\u003c\/th\u003e\n\u003cth style=\"padding:8px 12px; text-align:left; border-bottom:2px solid #F15C22;\"\u003eSize\u003c\/th\u003e\n\u003cth style=\"padding:8px 12px; text-align:left; border-bottom:2px solid #F15C22;\"\u003eType\u003c\/th\u003e\n\u003cth style=\"padding:8px 12px; text-align:left; border-bottom:2px solid #F15C22;\"\u003eThreads\u003c\/th\u003e\n\u003cth style=\"padding:8px 12px; text-align:left; border-bottom:2px solid #F15C22;\"\u003eFor Use On\u003c\/th\u003e\n\u003cth style=\"padding:8px 12px; text-align:left; border-bottom:2px solid #F15C22;\"\u003eIncludes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003eCBE4058\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003e4\" (102 mm)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003e5\/8\"-11 Extender\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003e5\/8\"-11\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003eCore Drill \/ Hammer Drill\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003eExtender (DST configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003eCBESDSS\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003e6\" (150 mm)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003eSDS-Plus Shank, Short\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003e5\/8\"-11\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003eHammer Drill \/ Rotary Hammer\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003eShank Adapter, Pilot Bit and Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003eCBESDSL\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003e10\" (250 mm)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003eSDS-Plus Shank, Long\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003e5\/8\"-11\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003eHammer Drill \/ Rotary Hammer\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px; border-bottom:1px solid #FDDCC5;\"\u003eShank Adapter, Pilot Bit and Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dst-accordion-item\"\u003e\n\u003cinput type=\"checkbox\" id=\"acc-core-bit-extenders-howto\" class=\"dst-accordion-toggle\"\u003e\u003clabel for=\"acc-core-bit-extenders-howto\" class=\"dst-accordion-label\"\u003eHow to Use\u003c\/label\u003e\u003cdiv class=\"dst-accordion-content\"\u003e\u003col style=\"color:#231F20; font-size:14px; line-height:1.8;\"\u003e\n\u003cli\u003eDisengage hammer\/percussion mode on the rotary hammer or hammer drill before installing the extender.\u003c\/li\u003e\n\u003cli\u003eThread the Alpha\u0026amp;reg; diamond core bit onto the 5\/8\"-11 female end of the extender.\u003c\/li\u003e\n\u003cli\u003eInstall the included pilot carbide drill bit and screw to stabilize the start of the cut.\u003c\/li\u003e\n\u003cli\u003eInsert the SDS-Plus shank into the drill chuck and confirm a positive lock.\u003c\/li\u003e\n\u003cli\u003eStart drilling at low to moderate RPM with light, even pressure; do not apply hammer action.\u003c\/li\u003e\n\u003cli\u003eWithdraw the bit periodically to clear dust; vacuum the bore for dry coring.\u003c\/li\u003e\n\u003c\/ol\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dst-accordion-item\"\u003e\n\u003cinput type=\"checkbox\" id=\"acc-core-bit-extenders-variant-specs\" class=\"dst-accordion-toggle\"\u003e\u003clabel for=\"acc-core-bit-extenders-variant-specs\" class=\"dst-accordion-label\"\u003eSpecifications by Variant\u003c\/label\u003e\u003cdiv class=\"dst-accordion-content\"\u003e\n\u003cdiv style=\"margin-top:18px; padding:14px 16px; border:1px solid #FDDCC5; border-radius:6px; background:#FFF8F3;\"\u003e\n\u003ch5 style=\"margin:0 0 10px 0; color:#F15C22; font-size:16px;\"\u003eCBE4058\u003c\/h5\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; color:#231F20; font-size:14px;\"\u003e\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; font-weight:bold; width:40%;\"\u003ePart No.\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eCBE4058\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:18px; padding:14px 16px; border:1px solid #FDDCC5; border-radius:6px; background:#FFF8F3;\"\u003e\n\u003ch5 style=\"margin:0 0 10px 0; color:#F15C22; font-size:16px;\"\u003eCBESDSL\u003c\/h5\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; color:#231F20; font-size:14px;\"\u003e\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; font-weight:bold; width:40%;\"\u003ePart No.\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eCBESDSL\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:18px; padding:14px 16px; border:1px solid #FDDCC5; border-radius:6px; background:#FFF8F3;\"\u003e\n\u003ch5 style=\"margin:0 0 10px 0; color:#F15C22; font-size:16px;\"\u003eCBESDSS\u003c\/h5\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; color:#231F20; font-size:14px;\"\u003e\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; font-weight:bold; width:40%;\"\u003ePart No.\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eCBESDSS\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dst-accordion-item\"\u003e\n\u003cinput type=\"checkbox\" id=\"acc-core-bit-extenders-common-specs\" class=\"dst-accordion-toggle\"\u003e\u003clabel for=\"acc-core-bit-extenders-common-specs\" class=\"dst-accordion-label\"\u003eCommon Specifications\u003c\/label\u003e\u003cdiv class=\"dst-accordion-content\"\u003e\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%; border-color:#FDDCC5; font-size:14px;\"\u003e\n\u003ctr style=\"background-color:#F15C22; color:#fff;\"\u003e\n\u003cth style=\"padding:8px 12px; text-align:left;\"\u003eProperty\u003c\/th\u003e\n\u003cth style=\"padding:8px 12px; text-align:left;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:bold; width:40%;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eHigh-strength steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#FFF3EB;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:bold; width:40%;\"\u003eThread\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e5\/8\"-11 female (accepts Alpha diamond core bits)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:bold; width:40%;\"\u003eRecommended Use\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eDry core drilling - percussion disabled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#FFF3EB;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:bold; width:40%;\"\u003eCompatible Materials\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eConcrete, brick, pavers, stone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:bold; width:40%;\"\u003eCommodity Code\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e8207.90.6000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dst-accordion-item\"\u003e\n\u003cinput type=\"checkbox\" id=\"acc-core-bit-extenders-related\" class=\"dst-accordion-toggle\"\u003e\u003clabel for=\"acc-core-bit-extenders-related\" class=\"dst-accordion-label\"\u003eRelated \u0026amp; Companion Products\u003c\/label\u003e\u003cdiv class=\"dst-accordion-content\"\u003e\u003cul style=\"color:#231F20; font-size:14px; line-height:1.8;\"\u003e\n\u003cli\u003e{'title': 'Alpha\u0026amp;reg; Laser Segmented Core Bits', 'url': 'https:\/\/dynamicstonetools.com\/products\/alpha-laser-core-bits'}\u003c\/li\u003e\n\u003cli\u003e{'title': 'Alpha\u0026amp;reg; Dry Core Bits', 'url': 'https:\/\/dynamicstonetools.com\/collections\/dry-core-bits'}\u003c\/li\u003e\n\u003cli\u003e{'title': 'Alpha\u0026amp;reg; Drill Bit Guide \/ Water Delivery System', 'url': 'https:\/\/dynamicstonetools.com\/products\/alpha-drill-bit-guide'}\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dst-accordion-item\"\u003e\n\u003cinput type=\"checkbox\" id=\"acc-core-bit-extenders-faqs\" class=\"dst-accordion-toggle\"\u003e\u003clabel for=\"acc-core-bit-extenders-faqs\" class=\"dst-accordion-label\"\u003eFAQs\u003c\/label\u003e\u003cdiv class=\"dst-accordion-content\"\u003e\n\u003cdetails style=\"margin-bottom:8px; padding:10px 14px; background:#FFF8F3; border-left:3px solid #F15C22; border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer; font-weight:600; color:#231F20; font-size:14px;\"\u003eDoes Alpha offer a Spline Shank version?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0 0; color:#231F20; font-size:14px;\"\u003eNo. Larger rotary hammers turn at insufficient RPM for diamond drilling, so Alpha does not produce a Spline Shank extender.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom:8px; padding:10px 14px; background:#FFF8F3; border-left:3px solid #F15C22; border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer; font-weight:600; color:#231F20; font-size:14px;\"\u003eHow deep can I drill with the extender?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0 0; color:#231F20; font-size:14px;\"\u003eAlpha\u0026amp;reg; Laser Segmented Core Bits can be used up to 4\" deep with the extender. For deeper applications, water cooling is recommended.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom:8px; padding:10px 14px; background:#FFF8F3; border-left:3px solid #F15C22; border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer; font-weight:600; color:#231F20; font-size:14px;\"\u003eCan I dry-drill porcelain pavers with this setup?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0 0; color:#231F20; font-size:14px;\"\u003eUse the Laser Segmented Core Drill Bit on a high-speed angle grinder instead. Hammer drills and rotary hammers do not reach the speeds needed for porcelain.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom:8px; padding:10px 14px; background:#FFF8F3; border-left:3px solid #F15C22; border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer; font-weight:600; color:#231F20; font-size:14px;\"\u003eWhy must percussion be turned off?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0 0; color:#231F20; font-size:14px;\"\u003eDiamond grit cuts by continuous grinding at high peripheral speed. Percussion would chip the diamond layer and ruin the bit.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom:8px; padding:10px 14px; background:#FFF8F3; border-left:3px solid #F15C22; border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer; font-weight:600; color:#231F20; font-size:14px;\"\u003eDo I need the pilot carbide drill bit?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0 0; color:#231F20; font-size:14px;\"\u003eYes for hand-held use. The pilot bit stabilizes the start of the cut so the core bit does not walk on the surface.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom:8px; padding:10px 14px; background:#FFF8F3; border-left:3px solid #F15C22; border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer; font-weight:600; color:#231F20; font-size:14px;\"\u003eWill this fit my existing tungsten-carbide core bit extender?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0 0; color:#231F20; font-size:14px;\"\u003eNo. Thread sizes differ, so older tungsten-carbide extenders are not compatible with Alpha\u0026amp;reg; Laser Segmented Core Bits.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dst-accordion-item\"\u003e\n\u003cinput type=\"checkbox\" id=\"acc-core-bit-extenders-videos\" class=\"dst-accordion-toggle\"\u003e\u003clabel for=\"acc-core-bit-extenders-videos\" class=\"dst-accordion-label\"\u003eVideos\u003c\/label\u003e\u003cdiv class=\"dst-accordion-content\"\u003e\u003cdiv style=\"display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:14px;\"\u003e\u003cdiv\u003e\n\u003cp style=\"margin:0 0 6px 0; color:#231F20; font-weight:600; font-size:14px;\"\u003eDiamond Core Bit that Works with the Extender\u003c\/p\u003e\n\u003ciframe width=\"100%\" height=\"220\" src=\"https:\/\/www.youtube.com\/embed\/MOplAC-lRig\" frameborder=\"0\" allowfullscreen style=\"max-width:100%; border-radius:6px;\"\u003e\u003c\/iframe\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dst-accordion-item\"\u003e\n\u003cinput type=\"checkbox\" id=\"acc-core-bit-extenders-docs\" class=\"dst-accordion-toggle\"\u003e\u003clabel for=\"acc-core-bit-extenders-docs\" class=\"dst-accordion-label\"\u003eDocumentation\u003c\/label\u003e\u003cdiv class=\"dst-accordion-content\"\u003e\u003cul style=\"list-style:none; padding-left:0;\"\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.alpha-tools.com\/Files\/Docs\/Flyers\/PDFs\/LaserCoreBit_Extender_flyer.pdf\" target=\"_blank\" style=\"color:#F15C22;\"\u003e📄 Laser Core Bit \u0026amp; Core Bit Extender Flyer\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cp style=\"margin-top:24px; padding:14px 18px; background:#FFF8F3; border-left:4px solid #F15C22; color:#231F20; font-size:14px;\"\u003e\u003cstrong\u003e⚠ WARNING:\u003c\/strong\u003e Cancer and Reproductive Harm — \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\" style=\"color:#F15C22;\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e. Always wear appropriate PPE.\u003c\/p\u003e","brand":"Alpha Professional Tools","offers":[{"title":"4\" 5\/8-11","offer_id":44952263360582,"sku":"CBE4058","price":21.95,"currency_code":"USD","in_stock":false},{"title":"5\/8\"-11","offer_id":44952263393350,"sku":"CBESDSL","price":50.34,"currency_code":"USD","in_stock":false},{"title":"Short","offer_id":44952263426118,"sku":"CBESDSS","price":25.19,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/0800\/8518\/files\/Alpha_Core_Bit_Extenders.jpg?v=1777150773","url":"https:\/\/dynamicstonetools.com\/products\/alpha-core-bit-extenders-1","provider":"Dynamic Stone Tools","version":"1.0","type":"link"}