{"product_id":"niqua-45-super-q-werkzeugstahlfraser-kronensage","title":"NIQUA SUPER Q® Crown Cutter Bur “45” – Precision Tool for Jewellery, Engraving \u0026 Metalworking","description":"\u003cp data-start=\"3068\" data-end=\"3165\"\u003ePrecise cutting and clean finishes – for detailed work and efficient material removal\u003c\/p\u003e\n\u003cp data-start=\"3167\" data-end=\"3477\"\u003eThe NIQUA SUPER Q® “45” crown cutter burs are specifically designed for precision machining of soft precious metals and delicate workpieces. Their distinctive crown-shaped geometry ensures consistent material removal and delivers clean, controlled cuts – ideal for fine jewelry work and engraving applications.\u003c\/p\u003e\n\u003cp data-start=\"3479\" data-end=\"3724\"\u003eIn goldsmithing and jewelry production, this bur shape is widely used for efficient surface processing, uniform material removal, and precise detailing. The crown design enhances chip evacuation while minimizing heat generation during operation.\u003c\/p\u003e\n\u003cp data-start=\"3726\" data-end=\"3902\"\u003eThis combination of structural stability and precision cutting geometry makes the tool highly versatile – suitable for both detailed spot work and controlled surface machining.\u003c\/p\u003e\n\u003cp data-start=\"3904\" data-end=\"4150\"\u003eManufactured from high-quality hardened tool steel, NIQUA SUPER Q® burs offer long service life, smooth operation, and consistently precise cutting performance – even at high speeds. Ideal for gold, silver, copper, brass, and similar soft metals.\u003c\/p\u003e\n\u003cp data-start=\"4152\" data-end=\"4283\"\u003eWith over 125 years of experience, NIQUA stands for tools that deliver maximum precision and reliability in daily professional use.\u003c\/p\u003e\n\u003cp data-start=\"885\" data-end=\"907\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"885\" data-end=\"907\"\u003e\u003cstrong data-start=\"885\" data-end=\"905\"\u003eProduct details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eShank diameter: 2.35 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened tool steel\u003c\/li\u003e\n\u003cli\u003eShape: Crown cutter “45”\u003c\/li\u003e\n\u003cli\u003eSales unit: 6 pcs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"979\" data-end=\"998\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"4422\" data-end=\"4436\"\u003e\u003cstrong data-start=\"4422\" data-end=\"4436\"\u003eAdvantages\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"4438\" data-end=\"4646\"\u003eEfficient material removal thanks to crown geometry\u003c\/li\u003e\n\u003cli data-start=\"4438\" data-end=\"4646\"\u003eClean cuts and smooth surface finishes\u003c\/li\u003e\n\u003cli data-start=\"4438\" data-end=\"4646\"\u003eReduced heat generation at high speeds\u003c\/li\u003e\n\u003cli data-start=\"4438\" data-end=\"4646\"\u003eLong tool life and low vibration\u003c\/li\u003e\n\u003cli data-start=\"4438\" data-end=\"4646\"\u003eProfessional NIQUA SUPER Q® quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4653\" data-end=\"4669\"\u003e\u003cstrong data-start=\"4653\" data-end=\"4669\"\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"4671\" data-end=\"4825\"\u003eJewelry making and fine detailing\u003c\/li\u003e\n\u003cli data-start=\"4671\" data-end=\"4825\"\u003eEngraving and precision work\u003c\/li\u003e\n\u003cli data-start=\"4671\" data-end=\"4825\"\u003eMachining of gold, silver, copper, and brass\u003c\/li\u003e\n\u003cli data-start=\"4671\" data-end=\"4825\"\u003eSurface finishing and material removal\u003cbr\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eØ (mm)\u003c\/th\u003e\n\u003cth\u003eItem Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.30\u003c\/td\u003e\n\u003ctd\u003e03 211 023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.90\u003c\/td\u003e\n\u003ctd\u003e03 211 029\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3.50\u003c\/td\u003e\n\u003ctd\u003e03 211 035\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4.00\u003c\/td\u003e\n\u003ctd\u003e03 211 040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"NIQUA®-SHOP","offers":[{"title":"2.30 \/ 6 pieces","offer_id":35590119489691,"sku":"03211023","price":15.0,"currency_code":"EUR","in_stock":true},{"title":"2.90 \/ 6 pieces","offer_id":35590119555227,"sku":"03211029","price":20.0,"currency_code":"EUR","in_stock":true},{"title":"3.50 \/ 6 pieces","offer_id":35590119620763,"sku":"03211035","price":20.0,"currency_code":"EUR","in_stock":true},{"title":"4.00 \/ 6 pieces","offer_id":35590119686299,"sku":"03211040","price":30.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0458\/7405\/3275\/files\/03-211_bd44d02e-b1ed-42a2-a7cd-05e832c1a3b4.jpg?v=1747642361","url":"https:\/\/niqua-shop.de\/en\/products\/niqua-45-super-q-tool-steel-bur-crown-cutter","provider":"NIQUA®-SHOP","version":"1.0","type":"link"}