{"title":"US No. 7003 Bur – Busch Finishing Round Steel, Made in Germany","description":"\u003cp\u003eThe \u003cstrong\u003eUS No. 7003\u003c\/strong\u003e is the American number for a round finishing bur with a 1.2 mm head (ISO size 012): a round head with many fine blades that smooth rather than cut, for finishing acrylic and removing tool marks. Busch \u0026amp; Co. manufactures it in Germany as \u003cstrong\u003eBusch No. 41 012\u003c\/strong\u003e in steel for the straight handpiece. Every US No. 7003 on this page is a genuine Busch instrument and ships from our US warehouse.\u003c\/p\u003e\u003ch2\u003eWhich US No. 7003 Do You Need?\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"border-collapse:collapse;font-size:14px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eUS No.\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eBusch No.\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eMaterial\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eCut\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eShank\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eBest for\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003ePack\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003ca href=\"\/products\/steel-round-finishing-bur-41-012-hp-pack-of-6\"\u003e7003\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e41 012\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eSteel\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e—\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eHP\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eEconomical laboratory finishing of acrylics and plaster\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;\"\u003eHP (2.35 mm shank, straight handpiece). See the \u003ca href=\"\/pages\/busch-bur-size-chart\"\u003eBusch Bur Size Chart\u003c\/a\u003e for head and shank dimensions.\u003c\/p\u003e\u003ch2\u003eLaboratory Uses of the US No. 7003\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcrylic finishing:\u003c\/strong\u003e smoothing denture bases and orthodontic appliances after trimming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetail work:\u003c\/strong\u003e at 1.2 mm, reaching small recesses and interproximal areas on models and appliances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlaster and stone:\u003c\/strong\u003e cleaning up fine detail on casts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe No. 7003 sits between the \u003ca href=\"\/collections\/us-7002-bur\"\u003eNo. 7002\u003c\/a\u003e (1.0 mm) and \u003ca href=\"\/collections\/us-7004-bur\"\u003eNo. 7004\u003c\/a\u003e (1.4 mm) in Busch's steel finishing round series.\u003c\/p\u003e\u003ch2\u003eSpeed and Technique\u003c\/h2\u003e\u003cp\u003eSteel finishing burs work at low speed and light pressure in the straight handpiece; let the blade count produce the surface. Maximum recommended speeds for every Busch shape are in our \u003ca href=\"\/pages\/dental-bur-speed-chart\"\u003eDental Bur Speed Chart\u003c\/a\u003e, and reprocessing steps in the \u003ca href=\"\/pages\/dental-bur-sterilization-guide\"\u003eBur Sterilization Guide\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMade in Germany by Busch \u0026amp; Co.\u003c\/h2\u003e\u003cp\u003eBusch \u0026amp; Co. has manufactured rotary instruments in Engelskirchen, Germany since 1905. Every instrument on this page is a genuine Busch product, precision-ground on a concentric shank under ISO-certified quality management and guaranteed to arrive free of manufacturing defects under our \u003ca href=\"\/pages\/warranty\"\u003eBusch arrival guarantee\u003c\/a\u003e.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/MadeInGermanySmall.png?v=1775134964\" alt=\"Dental Instruments, Tools, Burs, Diamonds and Polishers Made In Germany\"\u003e\u003c\/div\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat is the Busch number for a US 7003 bur?\u003c\/strong\u003e Busch No. 41 012 in steel, HP shank.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat size is a No. 7003 bur?\u003c\/strong\u003e The No. 7003 has a 1.2 mm head diameter (ISO size 012) on a multi-bladed round finishing head.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a carbide 7003?\u003c\/strong\u003e Busch's carbide 41 series starts at 1.4 mm (\u003ca href=\"\/collections\/us-7004-bur\"\u003eNo. 7004\u003c\/a\u003e); the 1.2 mm size is made in steel for laboratory use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre Busch No. 7003 burs reusable?\u003c\/strong\u003e Yes. Steel burs are cleaned, disinfected and sterilized between uses and replaced when they dull; the \u003ca href=\"\/pages\/dental-bur-sterilization-guide\"\u003eBur Sterilization Guide\u003c\/a\u003e gives the validated steps.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated resources:\u003c\/strong\u003e \u003ca href=\"\/pages\/us-bur-numbers\"\u003eUS Bur Number Finder\u003c\/a\u003e · \u003ca href=\"\/pages\/bur-comparison-chart\"\u003eBur Comparison Chart\u003c\/a\u003e · \u003ca href=\"\/pages\/dental-bur-speed-chart\"\u003eSpeed Chart\u003c\/a\u003e · \u003ca href=\"\/pages\/dental-bur-glossary\"\u003eBur Glossary\u003c\/a\u003e · Nearby sizes: \u003ca href=\"\/collections\/us-7002-bur\"\u003eUS No. 7002\u003c\/a\u003e, \u003ca href=\"\/collections\/us-7004-bur\"\u003eUS No. 7004\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"steel-round-finishing-bur-41-012-hp-pack-of-6","title":"US No. 7003 Busch Steel Finishing Round Bur | Busch No. 41 012 – HP | Pack of 6","description":"\u003cp\u003eThe \u003cstrong\u003esteel round finishing bur\u003c\/strong\u003e from Busch \u0026amp; Co. (US No. 7003) is a precision-engineered rotary instrument designed to deliver smooth, controlled finishing results in Plastics Technology applications. Built to exacting German manufacturing standards, this bur offers the consistency and reliability that professionals demand in demanding working environments.\u003c\/p\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003esteel round finishing bur\u003c\/strong\u003e is classified under the ISO standard \u003cstrong\u003e310 104 001 071 012\u003c\/strong\u003e, ensuring compatibility and traceability within professional tooling systems. The round geometry of the cutting head makes it well suited for finishing operations where smooth surface transitions and accurate material removal are essential.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUS No.:\u003c\/strong\u003e 7003\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel construction for durability and consistent cutting performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round finishing profile for refined surface work\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Classification:\u003c\/strong\u003e 310 104 001 071 012\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e Supplied as a pack of 6 burs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type:\u003c\/strong\u003e HP (Handpiece) shank for compatibility with standard HP handpieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003esteel round finishing bur\u003c\/strong\u003e is specifically suited for use in Plastics Technology, where precise material removal and clean finishing are critical to achieving professional-grade results. Its round cutting geometry allows for smooth contouring and surface refinement across a variety of plastic substrates.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003esteel round finishing bur\u003c\/strong\u003e is well-suited for the following dental laboratory applications:\u003c\/p\u003e\u003ctable role=\"presentation\" style=\"border:0;border-collapse:collapse;width:100%;max-width:640px;margin:0 0 1em 0;background:transparent;\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"border:0;padding:6px 14px 6px 4px;text-align:center;vertical-align:middle;width:52px;background:transparent;line-height:0;font-size:0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/Plastics_Tech.png?v=1767131648\" alt=\"Plastics Technology\" width=\"34\" height=\"34\" loading=\"lazy\" style=\"display:block;margin:0 auto;width:34px;height:34px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:6px 0;text-align:left;vertical-align:middle;background:transparent;\"\u003e\n\u003cstrong\u003ePlastics Technology\u003c\/strong\u003e — Shaping, trimming and finishing of acrylic dentures and appliances.\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eGerman Engineering Quality\u003c\/h2\u003e\u003cp\u003eManufactured by Busch \u0026amp; Co. GmbH, this \u003cstrong\u003esteel round finishing bur\u003c\/strong\u003e is proudly made in Germany, reflecting decades of expertise in precision rotary instrument production.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/MadeInGermanySmall.png?v=1775134964\" alt=\"Dental Instruments, Tools, Burs, Diamonds and Polishers Made In Germany\"\u003e\u003c\/div\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat is the US number for this bur?\u003c\/strong\u003e Busch 41 012 is US No. 7003, the 1.2 mm round finishing bur. See our \u003ca href=\"\/collections\/us-7003-bur\"\u003eUS No. 7003\u003c\/a\u003e page.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat shank type does this bur use?\u003c\/strong\u003e This bur features an HP (Handpiece) shank, compatible with standard HP handpiece connections.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many burs are included?\u003c\/strong\u003e Each pack contains 6 burs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the ISO classification for this bur?\u003c\/strong\u003e The ISO classification is 310 104 001 071 012.\u003c\/p\u003e","brand":"Busch \u0026 Co. GmbH","offers":[{"title":"Default Title","offer_id":50367819677982,"sku":"011861","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/41-stahl-zt-base_f735667f-b0f0-4b8b-9cf4-11b4a9f1ed53.png?v=1766501730"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/collections\/41-stahl-zt-base_f735667f-b0f0-4b8b-9cf4-11b4a9f1ed53.png?v=1790153389","url":"https:\/\/deutschedt.com\/collections\/us-7003-bur.oembed","provider":"Deutsche Dental Technologien","version":"1.0","type":"link"}