{"title":"US No. 11 Bur – Busch Round Steel, Made in Germany","description":"\u003cp\u003eThe \u003cstrong\u003eUS No. 11\u003c\/strong\u003e is the American number for a round bur with a 3.1 mm head (ISO size 031): a spherical head that cuts on every surface, so it excavates, opens and shapes in any direction. Busch \u0026amp; Co. manufactures it in Germany as \u003cstrong\u003eBusch No. 1 031\u003c\/strong\u003e. Every US No. 11 on this page is a genuine Busch instrument and ships from our US warehouse.\u003c\/p\u003e\u003ch2\u003eWhich US No. 11 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\/hp-round-steel-rosehead-dental-bur-pack-of-6\"\u003e11\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e1 031\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;\"\u003ePlain-cut\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 cutting 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\u003eClinical Uses of the US No. 11\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaries excavation:\u003c\/strong\u003e removing softened dentin from the cavity floor and walls with light, sweeping strokes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess:\u003c\/strong\u003e initial penetration of enamel and the first opening of a cavity or endodontic access.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetention and shaping:\u003c\/strong\u003e undercuts and retention grooves where a rounded form is wanted, and smoothing rounded internal line angles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaboratory work:\u003c\/strong\u003e the HP and steel versions hollow out, relieve and adjust acrylic, plaster and wax in the straight handpiece.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAt 3.1 mm the No. 11 is a large head for gross excavation, prosthetic and laboratory reduction.\u003c\/p\u003e\u003ch2\u003eSpeed and Technique\u003c\/h2\u003e\u003cp\u003eIn the high-speed handpiece use the FG versions with water spray and a light touch; the RA versions belong in the slow-speed contra-angle for caries removal, where lower speed gives better tactile feedback; HP versions run in the straight handpiece for laboratory work. 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 11 bur?\u003c\/strong\u003e Busch No. 1 031 in steel (HP).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat size is a No. 11 bur?\u003c\/strong\u003e The No. 11 has a 3.1 mm head diameter (ISO size 031) on a round bur head, ISO shape 001 (ball).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre Busch No. 11 burs reusable?\u003c\/strong\u003e Yes. Carbide and steel burs are cleaned, disinfected and sterilized between patients 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-9-bur\"\u003eUS No. 9\u003c\/a\u003e, \u003ca href=\"\/collections\/us-10-bur\"\u003eUS No. 10\u003c\/a\u003e, \u003ca href=\"\/collections\/us-19-bur\"\u003eUS No. 19\u003c\/a\u003e, \u003ca href=\"\/collections\/us-20-bur\"\u003eUS No. 20\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"hp-round-steel-rosehead-dental-bur-pack-of-6","title":"US No. 11 Busch Steel Round Bur | Busch No. 1 031 – HP | Pack of 6","description":"\u003cp\u003eThe \u003cstrong\u003eHP round steel rosehead dental bur\u003c\/strong\u003e is a precision-engineered rotary instrument designed for reliable performance across a range of dental and technical applications. Manufactured by Busch \u0026amp; Co. GmbH, this bur combines a round rosehead geometry with steel construction to deliver consistent, controlled cutting action wherever fine detail is required.\u003c\/p\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round, Rosehead\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type:\u003c\/strong\u003e HP (Handpiece)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUS No.:\u003c\/strong\u003e 11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Classification:\u003c\/strong\u003e ISO 310 104 001 001 031\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 6\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eHP round steel rosehead dental 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\n\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\n\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\/Model_Making.png?v=1767131647\" alt=\"Model Making\" 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\u003eModel Making\u003c\/strong\u003e — Trimming and detailing of plaster and stone models.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhy Choose This Bur?\u003c\/h2\u003e\u003cp\u003eAs an \u003cstrong\u003eHP round steel rosehead dental bur\u003c\/strong\u003e produced in Germany, this instrument reflects the quality standards and engineering precision that Busch \u0026amp; Co. GmbH has built its reputation on. The rosehead design ensures efficient material removal with minimal lateral pressure, and the steel construction offers durability across repeated use cycles.\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 shank type does this bur use?\u003c\/strong\u003e This bur features an HP (Handpiece) shank, making it compatible with standard HP handpiece connections.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many burs are included per pack?\u003c\/strong\u003e Each pack contains 6 individual burs, providing excellent value for professional and workshop use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the ISO classification for this bur?\u003c\/strong\u003e The ISO Standard Classification for this instrument is 310 104 001 001 031.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this bur suitable for plastics work?\u003c\/strong\u003e Yes, the \u003cstrong\u003eHP round steel rosehead dental bur\u003c\/strong\u003e is listed for use in Plastics Technology as well as Model Making applications.\u003c\/p\u003e","brand":"Busch \u0026 Co. GmbH","offers":[{"title":"Default Title","offer_id":50367819350302,"sku":"010125","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/1-stahl-zt-base_56bff844-5bc1-43c3-9b15-96222709d3b2.png?v=1766499212"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/collections\/1-stahl-zt-base_56bff844-5bc1-43c3-9b15-96222709d3b2.png?v=1789481571","url":"https:\/\/deutschedt.com\/collections\/us-11-bur.oembed","provider":"Deutsche Dental Technologien","version":"1.0","type":"link"}