{"product_id":"fein-63127838003-tct-ultra-35-core-bit-with-3-4in-weldon-holder","title":"Fein 63127838003 TCT Ultra 35 Core Bit with 3\/4in Weldon Holder","description":"\u003cp\u003e\u003cstrong\u003eFein 63127838003 TCT Ultra 35 Core Bit with 3\/4in Weldon Holder  \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe FEIN TCT Ultra 35 Core Bit with 3\/4 in Weldon Holder 6.35 mm inner Bore is a professional-grade carbide-tipped core drilling accessory designed for fast, precise and highly efficient drilling in metalworking and industrial applications. Engineered for magnetic drilling machines and demanding workshop environments, this high-performance TCT core bit delivers superior cutting speed, exceptional hole quality and reliable performance in structural steel, fabrication and engineering tasks.\u003c\/p\u003e\n\u003cp\u003eManufactured with ultra-durable carbide-tipped cutting edges and a premium TiAlSiN surface coating, this TCT Ultra 35 core bit is built for maximum work progress and extended service life. The advanced coating offers outstanding heat resistance up to 800°C and extreme hardness, allowing the bit to handle demanding drilling operations while maintaining consistent performance. Its optimised geometry supports smooth cutting, reduced burr formation and efficient chip removal for cleaner, more precise results.\u003c\/p\u003e\n\u003cp\u003eWith a 6.35 mm inner bore diameter, 35 mm cutting depth and a standard 3\/4 in Weldon holder, this FEIN core drill bit ensures secure mounting, stable torque transfer and compatibility with industry-standard magnetic drilling systems. Designed for professional users who require durability, speed and accuracy, the TCT Ultra 35 is ideal for continuous industrial use, fabrication work and high-volume drilling operations. \u003cspan\u003eAvailable in Ø14 - 36 mm with a cutting depth of 35 mm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional TCT Ultra 35 core bit for fast and precise metal drilling\u003c\/li\u003e\n\u003cli\u003e14 \/36 mm bore diameter for accurate and clean hole creation\u003c\/li\u003e\n\u003cli\u003e35 mm cutting depth for controlled and efficient drilling performance\u003c\/li\u003e\n\u003cli\u003eCarbide-tipped cutting edges for outstanding durability and cutting speed\u003c\/li\u003e\n\u003cli\u003eTiAlSiN coating for enhanced heat resistance and longer service life\u003c\/li\u003e\n\u003cli\u003eHeat resistant up to max. 800°C for demanding applications\u003c\/li\u003e\n\u003cli\u003eHigh hole quality with smooth cutting and minimal burr formation\u003c\/li\u003e\n\u003cli\u003eOptimised flute design for effective chip evacuation\u003c\/li\u003e\n\u003cli\u003eDesigned for continuous professional and industrial use\u003c\/li\u003e\n\u003cli\u003e3\/4 in Weldon holder for secure fitment and reliable torque transfer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCore drilling in structural steel and fabrication projects\u003c\/li\u003e\n\u003cli\u003eHigh-speed metal drilling with magnetic drilling machines\u003c\/li\u003e\n\u003cli\u003eIndustrial engineering and maintenance operations\u003c\/li\u003e\n\u003cli\u003eWorkshop and on-site professional drilling applications\u003c\/li\u003e\n\u003cli\u003ePrecision drilling where clean holes and minimal burrs are required\u003c\/li\u003e\n\u003cli\u003eSerial drilling and repetitive industrial production tasks\u003c\/li\u003e\n\u003cli\u003eGeneral-purpose metalworking and heavy-duty fabrication\u003c\/li\u003e\n\u003cli\u003eApplications requiring long service life and fast cutting performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"width: 99.6485%;\"\u003eTechnical Data\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.2387%;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"width: 51.4098%;\"\u003eHM (carbide-tipped)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.2387%;\"\u003eVickers hardness (HV)\u003c\/td\u003e\n\u003ctd style=\"width: 51.4098%;\"\u003e1 450 HV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.2387%;\"\u003eCoating\u003c\/td\u003e\n\u003ctd style=\"width: 51.4098%;\"\u003eTitanium Aluminium Silicon Nitride\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.2387%;\"\u003eCoating thickness\u003c\/td\u003e\n\u003ctd style=\"width: 51.4098%;\"\u003e3 µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.2387%;\"\u003eCoating strength\u003c\/td\u003e\n\u003ctd style=\"width: 51.4098%;\"\u003e3 800 HV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.2387%;\"\u003eHeat resistance\u003c\/td\u003e\n\u003ctd style=\"width: 51.4098%;\"\u003emax. 800°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.2387%;\"\u003eTotal length\u003c\/td\u003e\n\u003ctd style=\"width: 51.4098%;\"\u003e74.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.2387%;\"\u003eCore drill holder\u003c\/td\u003e\n\u003ctd style=\"width: 51.4098%;\"\u003e3\/4 in Weldon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.2387%;\"\u003eInner bore Ø\u003c\/td\u003e\n\u003ctd style=\"width: 51.4098%;\"\u003e6.35 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.2387%;\"\u003eCutting depth\u003c\/td\u003e\n\u003ctd style=\"width: 51.4098%;\"\u003e35 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"1344\" height=\"756\" src=\"https:\/\/www.youtube.com\/embed\/aAEExylZfxY\" title=\"FEIN HM ULTRA SPEED 35 - A systematic approach halves drilling times.\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838003.pdf?v=1786621977\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838003.pdf?v=1786621977\"\u003eDatasheet14mm\u003c\/a\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838004.pdf?v=1786621985\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838004.pdf?v=1786621985\"\u003e Datasheet16mm\u003c\/a\u003e  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838005.pdf?v=1786621993\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838005.pdf?v=1786621993\"\u003eDatasheet17.5mm\u003c\/a\u003e  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838006.pdf?v=1786622010\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838006.pdf?v=1786622010\"\u003eDatasheet18mm\u003c\/a\u003e  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838007_1.pdf?v=1786622576\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838007_1.pdf?v=1786622576\"\u003eDatasheet20mm\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838008.pdf?v=1786622039\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838008.pdf?v=1786622039\"\u003eDatasheet21mm\u003c\/a\u003e  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838009.pdf?v=1786622048\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838009.pdf?v=1786622048\"\u003eDatasheet22mm\u003c\/a\u003e  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838011.pdf?v=1786622055\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838011.pdf?v=1786622055\"\u003eDatasheet24mm\u003c\/a\u003e  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838012.pdf?v=1786622062\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838012.pdf?v=1786622062\"\u003eDatasheet25mm\u003c\/a\u003e  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838013.pdf?v=1786622066\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838013.pdf?v=1786622066\"\u003eDatasheet26mm \u003c\/a\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838014.pdf?v=1786622072\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838014.pdf?v=1786622072\"\u003eDatasheet26.5mm\u003c\/a\u003e  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838015.pdf?v=1786622077\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838015.pdf?v=1786622077\"\u003eDatasheet28mm\u003c\/a\u003e  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838016.pdf?v=1786622082\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838016.pdf?v=1786622082\"\u003eDatasheet30mm\u003c\/a\u003e  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838017.pdf?v=1786622087\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838017.pdf?v=1786622087\"\u003eDatasheet32mm\u003c\/a\u003e  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838018.pdf?v=1786622091\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838018.pdf?v=1786622091\"\u003eDatasheet33mm\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838019.pdf?v=1786622096\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838019.pdf?v=1786622096\"\u003eDatasheet34mm\u003c\/a\u003e  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838020.pdf?v=1786622100\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838020.pdf?v=1786622100\"\u003eDatasheet35mm \u003c\/a\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838021.pdf?v=1786622104\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/tct_ultra_35_core_bit_with_3_4_in_weldon_holder_63127838021.pdf?v=1786622104\"\u003eDatasheet36mm\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Fein","offers":[{"title":"63127838003 - 14 mm","offer_id":55630497186168,"sku":null,"price":42.99,"currency_code":"GBP","in_stock":true},{"title":"63127838004 - 16 mm","offer_id":55630497218936,"sku":null,"price":42.99,"currency_code":"GBP","in_stock":true},{"title":"63127838005 - 17.5 mm","offer_id":55630497251704,"sku":null,"price":42.99,"currency_code":"GBP","in_stock":true},{"title":"63127838006 - 18 mm","offer_id":55630497284472,"sku":null,"price":42.99,"currency_code":"GBP","in_stock":true},{"title":"63127838007 - 20 mm","offer_id":55630497317240,"sku":null,"price":42.99,"currency_code":"GBP","in_stock":true},{"title":"63127838008 - 21 mm","offer_id":55630497350008,"sku":null,"price":42.99,"currency_code":"GBP","in_stock":true},{"title":"63127838009 - 22 mm","offer_id":55630497382776,"sku":null,"price":42.99,"currency_code":"GBP","in_stock":true},{"title":"63127838011 - 24 mm","offer_id":55630497415544,"sku":null,"price":42.99,"currency_code":"GBP","in_stock":true},{"title":"63127838012 - 25 mm","offer_id":55630497448312,"sku":null,"price":42.99,"currency_code":"GBP","in_stock":true},{"title":"63127838013 - 26 mm","offer_id":55630497481080,"sku":null,"price":42.99,"currency_code":"GBP","in_stock":true},{"title":"63127838014 - 26.5 mm","offer_id":55630497513848,"sku":null,"price":42.99,"currency_code":"GBP","in_stock":true},{"title":"63127838015 - 28 mm","offer_id":55630497546616,"sku":null,"price":42.99,"currency_code":"GBP","in_stock":true},{"title":"63127838016 - 30 mm","offer_id":55630497579384,"sku":null,"price":48.73,"currency_code":"GBP","in_stock":true},{"title":"63127838017 - 32 mm","offer_id":55630497612152,"sku":null,"price":48.73,"currency_code":"GBP","in_stock":true},{"title":"63127838018 - 33 mm","offer_id":55630497644920,"sku":null,"price":48.73,"currency_code":"GBP","in_stock":true},{"title":"63127838019 - 34 mm","offer_id":55630497677688,"sku":null,"price":48.73,"currency_code":"GBP","in_stock":true},{"title":"63127838020 - 35 mm","offer_id":55630497710456,"sku":null,"price":48.73,"currency_code":"GBP","in_stock":true},{"title":"63127838021 - 36 mm","offer_id":55630497743224,"sku":null,"price":47.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0515\/8305\/8084\/files\/Fein-TCT-Ultra-35-Core-Bit-with-34in-Weldon-Holde-63127838003-D-300x300.webp?v=1786619978","url":"https:\/\/www.brooksideweldingsupplies.co.uk\/products\/fein-63127838003-tct-ultra-35-core-bit-with-3-4in-weldon-holder","provider":"Brookside Welding Supplies Ltd","version":"1.0","type":"link"}