{"product_id":"1-2-thunderbolt®-black-oxide-drill-bit","title":"1\/2\" Thunderbolt® Black Oxide Drill Bit","description":"\u003cp data-start=\"89\" data-end=\"341\"\u003eThe \u003cstrong data-start=\"93\" data-end=\"117\"\u003eMilwaukee 48-89-2738\u003c\/strong\u003e is a \u003cstrong data-start=\"123\" data-end=\"166\"\u003e1\/2\" Thunderbolt® black oxide drill bit\u003c\/strong\u003e, and it’s the \u003cstrong data-start=\"181\" data-end=\"248\"\u003elargest size in the 48-89-273x series you’ve been going through\u003c\/strong\u003e. It’s designed for \u003cstrong data-start=\"268\" data-end=\"308\"\u003eheavy-duty, general-purpose drilling\u003c\/strong\u003e in \u003cstrong data-start=\"312\" data-end=\"340\"\u003emetal, wood, and plastic\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"343\" data-end=\"346\"\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"348\" data-end=\"364\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"365\" data-end=\"797\"\u003e\n\u003cli data-section-id=\"yi9fgy\" data-start=\"365\" data-end=\"445\"\u003e\n\u003cstrong data-start=\"367\" data-end=\"390\"\u003eBlack oxide coating\u003c\/strong\u003e – reduces friction and improves corrosion resistance\u003c\/li\u003e\n\u003cli data-section-id=\"st8d7d\" data-start=\"446\" data-end=\"542\"\u003e\n\u003cstrong data-start=\"448\" data-end=\"472\"\u003e135° split point tip\u003c\/strong\u003e – starts on contact and helps prevent walking for accurate drilling\u003c\/li\u003e\n\u003cli data-section-id=\"157pzrc\" data-start=\"543\" data-end=\"644\"\u003e\n\u003cstrong data-start=\"545\" data-end=\"575\"\u003eThunderbolt reinforced web\u003c\/strong\u003e – thicker core for higher strength and reduced breakage under load\u003c\/li\u003e\n\u003cli data-section-id=\"miks6q\" data-start=\"645\" data-end=\"726\"\u003e\n\u003cstrong data-start=\"647\" data-end=\"673\"\u003eParabolic flute design\u003c\/strong\u003e – clears chips quickly for cooler, faster drilling\u003c\/li\u003e\n\u003cli data-section-id=\"erq9mp\" data-start=\"727\" data-end=\"797\"\u003e\n\u003cstrong data-start=\"729\" data-end=\"757\"\u003e3-flat Secure-Grip shank\u003c\/strong\u003e – reduces slipping in the drill chuck\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"799\" data-end=\"802\"\u003e\n\u003ch3 data-section-id=\"77fkhc\" data-start=\"804\" data-end=\"813\"\u003eSpecs\u003c\/h3\u003e\n\u003cul data-start=\"814\" data-end=\"1019\"\u003e\n\u003cli data-section-id=\"1u9lvek\" data-start=\"814\" data-end=\"834\"\u003e\n\u003cstrong data-start=\"816\" data-end=\"825\"\u003eSize:\u003c\/strong\u003e 1\/2 in\u003c\/li\u003e\n\u003cli data-section-id=\"1jzm9j3\" data-start=\"835\" data-end=\"875\"\u003e\n\u003cstrong data-start=\"837\" data-end=\"850\"\u003eMaterial:\u003c\/strong\u003e High-speed steel (HSS)\u003c\/li\u003e\n\u003cli data-section-id=\"w9z1o9\" data-start=\"876\" data-end=\"903\"\u003e\n\u003cstrong data-start=\"878\" data-end=\"889\"\u003eFinish:\u003c\/strong\u003e Black oxide\u003c\/li\u003e\n\u003cli data-section-id=\"76u7zj\" data-start=\"904\" data-end=\"939\"\u003e\n\u003cstrong data-start=\"906\" data-end=\"917\"\u003eLength:\u003c\/strong\u003e ~6 in jobber length\u003c\/li\u003e\n\u003cli data-section-id=\"1lfwg7i\" data-start=\"940\" data-end=\"1019\"\u003e\n\u003cstrong data-start=\"942\" data-end=\"950\"\u003eUse:\u003c\/strong\u003e Metal, wood, PVC, plastics\u003cbr data-start=\"977\" data-end=\"980\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1021\" data-end=\"1024\"\u003e\n\u003ch3 data-section-id=\"1omzrfa\" data-start=\"1026\" data-end=\"1039\"\u003eBest Uses\u003c\/h3\u003e\n\u003cul data-start=\"1040\" data-end=\"1278\"\u003e\n\u003cli data-section-id=\"1pvbnnl\" data-start=\"1040\" data-end=\"1097\"\u003eLarge bolt and anchor holes (heavy hardware installs)\u003c\/li\u003e\n\u003cli data-section-id=\"tbnctw\" data-start=\"1098\" data-end=\"1139\"\u003eStructural steel and fabrication work\u003c\/li\u003e\n\u003cli data-section-id=\"1eau57\" data-start=\"1140\" data-end=\"1183\"\u003eConstruction framing and heavy assembly\u003c\/li\u003e\n\u003cli data-section-id=\"pa7zva\" data-start=\"1184\" data-end=\"1228\"\u003eThick wood drilling and shop fabrication\u003c\/li\u003e\n\u003cli data-section-id=\"1p4kkm5\" data-start=\"1229\" data-end=\"1278\"\u003eGeneral jobsite drilling with large fasteners\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1280\" data-end=\"1283\"\u003e\n\u003ch3 data-section-id=\"1g7992f\" data-start=\"1285\" data-end=\"1300\"\u003eBottom Line\u003c\/h3\u003e\n\u003cp data-start=\"1301\" data-end=\"1556\"\u003eThe \u003cstrong data-start=\"1305\" data-end=\"1319\"\u003e48-89-2738\u003c\/strong\u003e is the \u003cstrong data-start=\"1327\" data-end=\"1393\"\u003eheaviest-duty “standard” Thunderbolt bit size in this sequence\u003c\/strong\u003e. It’s not cobalt or specialty-grade—it’s still a \u003cstrong data-start=\"1443\" data-end=\"1470\"\u003egeneral-purpose HSS bit\u003c\/strong\u003e, but sized for \u003cstrong data-start=\"1486\" data-end=\"1555\"\u003ebig structural holes where strength and chip clearing matter most\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Milwaukee","offers":[{"title":"Default Title","offer_id":52411688812833,"sku":"48-89-2738","price":9.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1905\/1041\/files\/download_5_6484a558-61ed-4cb1-a199-34dea670f378.jpg?v=1776973107","url":"https:\/\/standardvmi.com\/products\/1-2-thunderbolt%c2%ae-black-oxide-drill-bit","provider":"Standard Plumbing Supply","version":"1.0","type":"link"}