{"title":"US No. 1159 Bur – Busch Straight Fissure Carbide, Made in Germany","description":"\u003cp\u003eThe \u003cstrong\u003eUS No. 1159\u003c\/strong\u003e is the American number for a straight fissure bur with a 1.4 mm head (ISO size 014): a parallel-sided cylinder with a rounded end, so it cuts straight walls with rounded internal line angles. Busch \u0026amp; Co. manufactures it in Germany as \u003cstrong\u003eBusch No. 21R 014\u003c\/strong\u003e. Every US No. 1159 on this page is a genuine Busch instrument and ships from our US warehouse.\u003c\/p\u003e\u003ch2\u003eWhich US No. 1159 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\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003ca href=\"\/products\/carbide-cylinder-round-fissure-bur-21r-014-fg-pack-of-6\"\u003e1159\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e21R 014\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eCarbide\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;\"\u003eFG\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eHigh-speed handpiece, rounded end\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003ca href=\"\/products\/carbide-cylinder-round-bur-21r-014-hp-pack-of-6\"\u003e1159\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e21R 014\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eCarbide\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;\"\u003eStraight handpiece: laboratory and denture work, rounded end\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;\"\u003eFG (friction grip, 1.6 mm shank, high-speed handpiece). HP (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. 1159\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCavity preparation:\u003c\/strong\u003e opening through enamel and establishing the straight walls and flat floor of Class I and Class II preparations, including proximal boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestoration removal:\u003c\/strong\u003e cutting out old amalgam and composite; crosscut versions clear the debris instead of packing with it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSectioning:\u003c\/strong\u003e dividing crowns and multi-rooted teeth, where the surgical-length versions add reach and visibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaboratory and denture work:\u003c\/strong\u003e the HP carbide and steel versions trim acrylic, adjust denture bases and reduce plaster models in the straight handpiece.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAt 1.4 mm the No. 1159 is a wide head for bulk reduction, sectioning and laboratory cutting.\u003c\/p\u003e\u003cp\u003eThe No. 1159 is plain-cut; its crosscut twin in the same shape and size is the \u003ca href=\"\/collections\/us-1559-bur\"\u003eUS No. 1559 (Busch 31R 014)\u003c\/a\u003e. Crosscut blades cut faster and clear debris; plain-cut blades leave a smoother wall.\u003c\/p\u003e\u003ch2\u003eSpeed and Technique\u003c\/h2\u003e\u003cp\u003eRun the FG versions in the high-speed handpiece with continuous water spray and light, intermittent pressure; let the blades do the work. HP versions run at laboratory speed in the straight handpiece. 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 1159 bur?\u003c\/strong\u003e Busch No. 21R 014 in carbide (FG\/HP).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat size is a No. 1159 bur?\u003c\/strong\u003e The No. 1159 has a 1.4 mm head diameter (ISO size 014) on a straight fissure bur head, ISO shape 137 (cylinder, round end).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference between a No. 1159 and a No. 1559?\u003c\/strong\u003e Same shape and size; one is plain-cut and the other crosscut. The No. 1159 is plain-cut — crosscut cuts faster and clears debris, plain-cut leaves a smoother surface.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre Busch No. 1159 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-1157-bur\"\u003eUS No. 1157\u003c\/a\u003e, \u003ca href=\"\/collections\/us-1158-bur\"\u003eUS No. 1158\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"carbide-cylinder-round-bur-21r-014-hp-pack-of-6","title":"US No. 1159 Busch Carbide Straight Fissure (Cylinder) Round Bur | Busch No. 21R 014 – HP | Pack of 6","description":"\u003cp\u003ePack of 6. The \u003cstrong\u003eBusch No. 21R 014 – HP\u003c\/strong\u003e (US No. 1159) is a round-end (domed) carbide cylinder cutter with a 1.4 mm (ISO 014) head on an \u003cstrong\u003eHP shank\u003c\/strong\u003e for straight handpieces — the laboratory-oriented version of the 21R, distinct from the friction-grip 21R 014 FG. Made in Germany by Busch \u0026amp; Co. GmbH.\u003c\/p\u003e\u003ch2\u003eWhy choose the HP version\u003c\/h2\u003e\u003cp\u003eIn a straight handpiece, typically running up to roughly 40,000 rpm at the laboratory bench, the domed 1.4 mm cylinder gives both side- and end-cutting action for shaping acrylic, finishing crown and bridge frameworks and detailing plaster models without the sharp internal corners a flat-end cylinder leaves. Choose the FG version instead when the rounded No. 1159 profile is needed chairside in a high-speed turbine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAlso available:\u003c\/strong\u003e \u003ca href=\"\/products\/carbide-cylinder-fissure-bur-21-012-ra-fiss-cyl-6pk\"\u003eNo. 21 012 – RA\u003c\/a\u003e, \u003ca href=\"\/products\/carbide-cylinder-fissure-dental-bur-21-010-fg-pack-of-6\"\u003eNo. 21 010 – FG\u003c\/a\u003e, \u003ca href=\"\/products\/carbide-cylinder-fissure-dental-bur-21-010-ra-pack-of-6\"\u003eNo. 21 010 – RA\u003c\/a\u003e, \u003ca href=\"\/products\/carbide-cylinder-fissure-dental-bur-21-012-fg-pack-of-6\"\u003eNo. 21 012 – FG\u003c\/a\u003e, \u003ca href=\"\/products\/carbide-cylinder-fissure-dental-bur-21-016-fg-pack-of-6\"\u003eNo. 21 016 – FG\u003c\/a\u003e, \u003ca href=\"\/products\/carbide-cylinder-flat-cutter-dental-bur-21-016-hp-pack-of-6\"\u003eNo. 21 016 – HP\u003c\/a\u003e, \u003ca href=\"\/products\/carbide-cylinder-round-fissure-bur-21r-014-fg-pack-of-6\"\u003eNo. 21R 014 – FG\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eProduct Classification\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003ecarbide cylinder round bur\u003c\/strong\u003e is classified under ISO standard \u003cstrong\u003e500 104 137 006 014\u003c\/strong\u003e (US No. 1159), ensuring full compatibility and traceability within regulated professional environments. It is supplied as a convenient pack of 6, reducing downtime and ensuring a ready supply for high-volume workflows.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003ecarbide cylinder round 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\/Crown_Bridge_Tech.png?v=1767131647\" alt=\"Crown and Bridge 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\u003eCrown and Bridge Technology\u003c\/strong\u003e — Shaping, trimming and finishing of crown and bridge frameworks in the laboratory.\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\/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\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_Cast_Tech.png?v=1767131648\" alt=\"Model Casting Technique\" 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 Casting Technique\u003c\/strong\u003e — Finishing and adjustment of cast metal frameworks.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhy Choose This Carbide Bur?\u003c\/h2\u003e\u003cp\u003eAs a \u003cstrong\u003ecarbide cylinder round bur\u003c\/strong\u003e, this instrument combines a robust carbide cutting head with a cylindrical round geometry that facilitates both lateral and end-cutting action. The result is versatile, efficient material removal with minimal vibration and superior surface finish. Every bur in this product line is proudly made in Germany, reflecting decades of precision engineering expertise.\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 ISO classification does this bur carry?\u003c\/strong\u003e This bur is classified as ISO 500 104 137 006 014.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many burs are included in each pack?\u003c\/strong\u003e Each pack contains 6 burs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a genuine Busch \u0026amp; Co. GmbH product?\u003c\/strong\u003e Yes, this \u003cstrong\u003ecarbide cylinder round bur\u003c\/strong\u003e is manufactured by Busch \u0026amp; Co. GmbH in Germany.\u003c\/p\u003e\u003ch2\u003e\u003ca href=\"\/pages\/bur-comparison-chart#b-21r-014-hp\" style=\"color:inherit;text-decoration:none;\"\u003eCompare With\u003c\/a\u003e\u003c\/h2\u003e\u003ctable style=\"border-collapse:collapse;margin:0 0 1em 0;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 12px;text-align:left;background:#f6f6f6;\"\u003eManufacturer\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 12px;text-align:left;background:#f6f6f6;\"\u003eReference\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eKomet (Gebr. Brasseler)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eH21R.104.014\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eBrasseler USA\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eH21R.11.014\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eMeisinger\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eHM21R-014-HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eEdenta\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eC21R.104.014\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer literature:\u003c\/strong\u003e Busch catalogs and product brochures for this line are available in our \u003ca href=\"\/pages\/busch-burs-catalogs\"\u003eBusch Burs Catalog Library\u003c\/a\u003e.\u003c\/p\u003e","brand":"Busch \u0026 Co. GmbH","offers":[{"title":"Default Title","offer_id":50367839928606,"sku":"020609","price":40.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/21r-zt-base_4a35400b-8035-4134-aec0-7a6ba40d6b99.png?v=1766500364"},{"product_id":"carbide-cylinder-round-fissure-bur-21r-014-fg-pack-of-6","title":"US No. 1159 Busch Carbide Straight Fissure (Cylinder) Round Bur | Busch No. 21R 014 – FG | Pack of 6","description":"\u003cp\u003e\u003cstrong\u003eBusch No. 21R 014 – FG\u003c\/strong\u003e (US No. 1159) is a round-end (domed) carbide cylinder fissure bur with a 1.4 mm (ISO 014) head on an \u003cstrong\u003eFG shank for high-speed turbine handpieces\u003c\/strong\u003e. It is the chairside, friction-grip counterpart to the HP-shank 21R 014 offered for laboratory straight handpieces. Pack of 6, manufactured in Germany by Busch \u0026amp; Co. GmbH.\u003c\/p\u003e\u003ch2\u003eWhy choose the FG version\u003c\/h2\u003e\u003cp\u003eA domed cylinder in a high-speed turbine is typically used when a preparation calls for rounded internal line angles — for example in adhesive composite cavities or when refining walls without creating stress-concentrating corners. The 1.4 mm head sits between the 21 012 and 21 016 flat cylinders in width; its FG shank fits standard air-turbine and electric high-speed handpieces with water spray.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAlso available:\u003c\/strong\u003e \u003ca href=\"\/products\/carbide-cylinder-fissure-bur-21-012-ra-fiss-cyl-6pk\"\u003eNo. 21 012 – RA\u003c\/a\u003e, \u003ca href=\"\/products\/carbide-cylinder-fissure-dental-bur-21-010-fg-pack-of-6\"\u003eNo. 21 010 – FG\u003c\/a\u003e, \u003ca href=\"\/products\/carbide-cylinder-fissure-dental-bur-21-010-ra-pack-of-6\"\u003eNo. 21 010 – RA\u003c\/a\u003e, \u003ca href=\"\/products\/carbide-cylinder-fissure-dental-bur-21-012-fg-pack-of-6\"\u003eNo. 21 012 – FG\u003c\/a\u003e, \u003ca href=\"\/products\/carbide-cylinder-fissure-dental-bur-21-016-fg-pack-of-6\"\u003eNo. 21 016 – FG\u003c\/a\u003e, \u003ca href=\"\/products\/carbide-cylinder-flat-cutter-dental-bur-21-016-hp-pack-of-6\"\u003eNo. 21 016 – HP\u003c\/a\u003e, \u003ca href=\"\/products\/carbide-cylinder-round-bur-21r-014-hp-pack-of-6\"\u003eNo. 21R 014 – HP\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThis instrument is classified as a Carbide, Cylinder Round, Excavating and Fissure Bur, conforming to the following ISO standard classification:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO:\u003c\/strong\u003e 500 314 137 006 014\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUS Reference:\u003c\/strong\u003e No. 1159\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type:\u003c\/strong\u003e FG (Friction Grip)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 6 burs per pack\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003ecarbide cylinder round fissure bur\u003c\/strong\u003e is specifically suited for the following clinical procedures:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCavity\/Fissure Preparation\u003c\/strong\u003e — ideal for defining and refining cavity walls and fissure areas with precision and control\u003c\/li\u003e\n\u003cli\u003eExcavation of carious tissue\u003c\/li\u003e\n\u003cli\u003eGeneral tooth preparation requiring a cylinder round cutting geometry\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe cylinder round profile of the \u003cstrong\u003ecarbide cylinder round fissure bur\u003c\/strong\u003e provides flat-bottomed cavity preparations with well-defined walls, making it a reliable choice for restorative dentistry workflows.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePremium carbide construction for long-lasting cutting efficiency\u003c\/li\u003e\n\u003cli\u003eConsistent flute geometry for smooth, controlled cutting action\u003c\/li\u003e\n\u003cli\u003eFG shank compatible with standard high-speed handpieces\u003c\/li\u003e\n\u003cli\u003eManufactured in Germany to exacting quality standards\u003c\/li\u003e\n\u003c\/ul\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 FG (Friction Grip) shank, compatible with standard high-speed dental handpieces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many burs are included per pack?\u003c\/strong\u003e Each pack contains 6 individual \u003cstrong\u003ecarbide cylinder round fissure bur\u003c\/strong\u003e units.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the ISO classification for this instrument?\u003c\/strong\u003e The ISO classification is 500 314 137 006 014.\u003c\/p\u003e\u003ch2\u003e\u003ca href=\"\/pages\/bur-comparison-chart#b-21r-014-fg\" style=\"color:inherit;text-decoration:none;\"\u003eCompare With\u003c\/a\u003e\u003c\/h2\u003e\u003ctable style=\"border-collapse:collapse;margin:0 0 1em 0;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 12px;text-align:left;background:#f6f6f6;\"\u003eManufacturer\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 12px;text-align:left;background:#f6f6f6;\"\u003eReference\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eKomet (Gebr. Brasseler)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eH21R.314.014\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eBrasseler USA\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eH21R.31.014\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eMeisinger\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eHM21R-014-FG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer literature:\u003c\/strong\u003e Busch catalogs and product brochures for this line are available in our \u003ca href=\"\/pages\/busch-burs-catalogs\"\u003eBusch Burs Catalog Library\u003c\/a\u003e.\u003c\/p\u003e","brand":"Busch \u0026 Co. GmbH","offers":[{"title":"Default Title","offer_id":50367863193886,"sku":"020669","price":40.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/21r-base_94666428-83ec-4aa5-a19f-74e7cbc37900.png?v=1766500358"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/collections\/21r-base_94666428-83ec-4aa5-a19f-74e7cbc37900.png?v=1789481694","url":"https:\/\/deutschedt.com\/collections\/us-1159-bur.oembed","provider":"Deutsche Dental Technologien","version":"1.0","type":"link"}