{"product_id":"19-pz-set-punte-hss-rivestite-al-tin-1-10-mm-41-1000","title":"Twist Drill Bits - 19-Piece Set","description":"\u003cp\u003eSet of 19 HSS twist drills with tin coating — diameters from 1 to 10 mm in 0.5 mm increments. For drilling on steel, aluminum, wood, and plastic. Made in Austria, distributed in Italy by Krollit — official Bernardo distributor since 2007.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces:\u003c\/strong\u003e 19\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter range:\u003c\/strong\u003e 1–10 mm (0.5 mm increments)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e HSS with tin coating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of drills\u003c\/td\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter range\u003c\/td\u003e\n\u003ctd\u003e1–10 mm (0.5 mm increments)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHSS with tin coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eLogistics\u003c\/h3\u003e\n\u003cp\u003eOriginal spare parts available with 3–5 business day shipping. Customer support in Italian available.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eThe tin coating — what does it add compared to uncoated HSS drills?\u003c\/summary\u003e\u003cp\u003eThe tin coating (TiN bronze) reduces friction between the drill bit and the material by 20–30% — less heat, slightly longer lifespan on wood and aluminum. On steel, the difference compared to bare HSS is minimal. The coating is visible as a golden\/bronze color. It does not indicate carbide or CBN — it is a standard HSS drill bit with a surface coating.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDelivery times?\u003c\/summary\u003e\u003cp\u003eOriginal spare parts available with 3–5 business day shipping. Customer support in Italian available.\u003c\/p\u003e\u003c\/details\u003e","brand":"Bernardo","offers":[{"title":"Default Title","offer_id":50725180014920,"sku":"41-1000","price":44.14,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2139\/0920\/files\/41-1000_1.jpg_1-1.jpg?v=1750405880","url":"https:\/\/www.krollit.com\/products\/19-pz-set-punte-hss-rivestite-al-tin-1-10-mm-41-1000","provider":"Krollit","version":"1.0","type":"link"}