{"product_id":"precision-boring-head-2imperial-1-div-0-0005-r8-shank-7-16-unf-drawbar-1","title":"Precision Boring Head 2\"Imperial 1 div=0.0005\" \u0026 R8 Shank (7\/16 UNF Drawbar)","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:883962e8-8996-4cf6-a71d-b15e79bad3e9-156\" data-testid=\"conversation-turn-12\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"6623fb93-0c1c-44d9-bf67-e23add308935\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"1610\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• \u003cstrong data-start=\"2\" data-end=\"44\"\u003eUltra-High Precision 0.0005\" Accuracy:\u003c\/strong\u003e This 2-inch diameter industrial boring head is designed for precision engineering applications. Its fine-adjustment dial provides graduations of 0.0005\" (half-thou) per division, allowing you to achieve accurate bore sizing and maintain tight machining tolerances.\u003cbr data-start=\"309\" data-end=\"312\"\u003e• \u003cstrong data-start=\"314\" data-end=\"354\"\u003eR8 Shank for Bridgeport-Style Mills:\u003c\/strong\u003e The boring head features a standard R8 shank with a 7\/16\" UNF drawbar thread, ensuring a rigid, secure, and vibration-free fit. It is fully compatible with Bridgeport and other vertical milling machines, delivering excellent stability and superior surface finishes during machining.\u003cbr data-start=\"637\" data-end=\"640\"\u003e• \u003cstrong data-start=\"642\" data-end=\"678\"\u003eUniversal 1\/2\" Tooling Capacity:\u003c\/strong\u003e This boring head accepts standard 1\/2-inch (12.7 mm) shank diameter boring bars. Its precisely ground bore and slide mechanism ensure smooth movement and consistent machining accuracy.\u003cbr data-start=\"863\" data-end=\"866\"\u003e• \u003cstrong data-start=\"868\" data-end=\"907\"\u003eHardened Steel \u0026amp; Ground Finish:\u003c\/strong\u003e Manufactured from premium high-grade steel, this boring head is highly wear-resistant and built for durability. It features an epoxy black finish with precision-ground surfaces, providing both long-lasting performance and a professional workshop appearance.\u003cbr data-start=\"1165\" data-end=\"1168\"\u003e• \u003cstrong data-start=\"1170\" data-end=\"1203\"\u003eVersatile Machining Solution:\u003c\/strong\u003e This boring head is ideal for performing internal boring, facing, and hole enlargement operations. It is designed to meet the demanding requirements of professional toolrooms as well as serious hobbyists.\u003cbr data-start=\"1408\" data-end=\"1411\"\u003e• \u003cstrong data-start=\"1413\" data-end=\"1445\"\u003eCompact \u0026amp; Robust Design:\u003c\/strong\u003e Weighing 3.02 lbs with compact dimensions, this boring head is easy to handle while remaining strong enough to minimize tool chatter during heavy boring operations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"assortsmachinetools","offers":[{"title":"Default Title","offer_id":47258388660416,"sku":"F5-K04R-1NRJ","price":69.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/0482\/7328\/files\/51L4vhyoA8L._AC_SL1019__1.jpg?v=1769073387","url":"https:\/\/shop.assortsmachinetools.com\/products\/precision-boring-head-2imperial-1-div-0-0005-r8-shank-7-16-unf-drawbar-1","provider":"Assorts","version":"1.0","type":"link"}