{"product_id":"niqua-sf-super-q-werkzeugstahlfraser-hohlbohrer","title":"NIQUA SUPER Q® Cup Bur \"S(f)\" – Precision Tool Steel Bur for Jewellery Manufacturing","description":"\u003cp data-start=\"133\" data-end=\"527\"\u003eThe NIQUA SUPER Q® Hollow Bur \"S(f)\" is a specialised precision rotary tool developed for professional jewellers, stone setters, engravers, and jewellery manufacturers. Hollow burs are essential for applications requiring controlled hollowing, recessing, shaping, and detailed finishing, making them ideal for stone setting preparation, cavity creation, engraving, and intricate jewellery work.\u003c\/p\u003e\n\u003cp data-start=\"529\" data-end=\"771\"\u003eDesigned specifically for demanding jewellery applications, the SUPER Q® S(f) Hollow Bur enables clean, precise, and consistent machining of soft precious metals such as gold and silver, as well as copper, brass, and other non-ferrous alloys.\u003c\/p\u003e\n\u003cp data-start=\"773\" data-end=\"1119\"\u003eIts advanced hollow-cut geometry provides highly accurate material removal while ensuring excellent chip evacuation. This minimises clogging, improves cutting efficiency, and maintains smooth performance even at higher rotational speeds. The result is exceptional surface quality, precise contours, and maximum control during delicate operations.\u003c\/p\u003e\n\u003cp data-start=\"1121\" data-end=\"1426\"\u003eManufactured from premium hardened tool steel, the bur offers outstanding durability, extended tool life, and smooth low-vibration operation. As part of the renowned NIQUA SUPER Q® Swiss precision tool range, it delivers the reliability and accuracy required by professional jewellery workshops worldwide.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1o2c85r\" data-start=\"1428\" data-end=\"1447\"\u003eProduct Details\u003c\/h3\u003e\n\u003cul data-start=\"1449\" data-end=\"1675\"\u003e\n\u003cli data-section-id=\"14qsplw\" data-start=\"1449\" data-end=\"1474\"\u003eType: Hollow Bur \"S(f)\"\u003c\/li\u003e\n\u003cli data-section-id=\"10ligm7\" data-start=\"1475\" data-end=\"1506\"\u003eMaterial: Hardened Tool Steel\u003c\/li\u003e\n\u003cli data-section-id=\"1ga0dir\" data-start=\"1507\" data-end=\"1522\"\u003eCut: Fine (f)\u003c\/li\u003e\n\u003cli data-section-id=\"ix2gsm\" data-start=\"1523\" data-end=\"1543\"\u003eISO Sizes: 008–095\u003c\/li\u003e\n\u003cli data-section-id=\"n6jg40\" data-start=\"1544\" data-end=\"1569\"\u003eShank Diameter: 2.35 mm\u003c\/li\u003e\n\u003cli data-section-id=\"160a1nh\" data-start=\"1570\" data-end=\"1593\"\u003ePackaging Unit: 6 pcs\u003c\/li\u003e\n\u003cli data-section-id=\"1x4nxcf\" data-start=\"1594\" data-end=\"1675\"\u003eSuitable for jewellery manufacturing, engraving, and stone setting applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"ycgkk5\" data-start=\"1677\" data-end=\"1693\"\u003eKey Benefits\u003c\/h3\u003e\n\u003cul data-start=\"1695\" data-end=\"2038\"\u003e\n\u003cli data-section-id=\"xqez3e\" data-start=\"1695\" data-end=\"1751\"\u003eSpecialised hollow bur for professional jewellery work\u003c\/li\u003e\n\u003cli data-section-id=\"dwaefr\" data-start=\"1752\" data-end=\"1793\"\u003ePrecise and controlled material removal\u003c\/li\u003e\n\u003cli data-section-id=\"cuz290\" data-start=\"1794\" data-end=\"1838\"\u003eOptimised chip evacuation reduces clogging\u003c\/li\u003e\n\u003cli data-section-id=\"1hdb1ku\" data-start=\"1839\" data-end=\"1888\"\u003eConsistent cutting performance at higher speeds\u003c\/li\u003e\n\u003cli data-section-id=\"m7yuc8\" data-start=\"1889\" data-end=\"1922\"\u003eSmooth, low-vibration operation\u003c\/li\u003e\n\u003cli data-section-id=\"1v2ybil\" data-start=\"1923\" data-end=\"1982\"\u003eLong service life due to hardened tool steel construction\u003c\/li\u003e\n\u003cli data-section-id=\"d9trrm\" data-start=\"1983\" data-end=\"2038\"\u003eSwiss precision quality from the NIQUA SUPER Q® range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"2040\" data-end=\"2056\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"2058\" data-end=\"2309\"\u003e\n\u003cli data-section-id=\"1t8apgl\" data-start=\"2058\" data-end=\"2103\"\u003eStone setting preparation and seat creation\u003c\/li\u003e\n\u003cli data-section-id=\"qm4gld\" data-start=\"2104\" data-end=\"2142\"\u003eHollowing and shaping metal surfaces\u003c\/li\u003e\n\u003cli data-section-id=\"5cnei0\" data-start=\"2143\" data-end=\"2182\"\u003eEngraving and detailed finishing work\u003c\/li\u003e\n\u003cli data-section-id=\"1p22ynn\" data-start=\"2183\" data-end=\"2215\"\u003eCreating recesses and cavities\u003c\/li\u003e\n\u003cli data-section-id=\"626b0t\" data-start=\"2216\" data-end=\"2252\"\u003eJewellery manufacturing and repair\u003c\/li\u003e\n\u003cli data-section-id=\"1vhvdnx\" data-start=\"2253\" data-end=\"2309\"\u003ePrecision machining of gold, silver, copper, and brass\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter (mm)\u003c\/th\u003e\n\u003cth\u003eItem No.\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.80\u003c\/td\u003e\n\u003ctd\u003e03 230 008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.90\u003c\/td\u003e\n\u003ctd\u003e03 230 009\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.00\u003c\/td\u003e\n\u003ctd\u003e03 230 010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.10\u003c\/td\u003e\n\u003ctd\u003e03 230 011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.20\u003c\/td\u003e\n\u003ctd\u003e03 230 012\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.30\u003c\/td\u003e\n\u003ctd\u003e03 230 013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.40\u003c\/td\u003e\n\u003ctd\u003e03 230 014\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.50\u003c\/td\u003e\n\u003ctd\u003e03 230 015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.60\u003c\/td\u003e\n\u003ctd\u003e03 230 016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.70\u003c\/td\u003e\n\u003ctd\u003e03 230 017\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.80\u003c\/td\u003e\n\u003ctd\u003e03 230 018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.90\u003c\/td\u003e\n\u003ctd\u003e03 230 019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.00\u003c\/td\u003e\n\u003ctd\u003e03 230 020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.10\u003c\/td\u003e\n\u003ctd\u003e03 230 021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.20\u003c\/td\u003e\n\u003ctd\u003e03 230 022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.30\u003c\/td\u003e\n\u003ctd\u003e03 230 023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.50\u003c\/td\u003e\n\u003ctd\u003e03 230 025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.70\u003c\/td\u003e\n\u003ctd\u003e03 230 027\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.90\u003c\/td\u003e\n\u003ctd\u003e03 230 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