{"product_id":"otoolling-32mm-matte-black-challenge-coin-blanks-50-pack-3mm-thick-engraving-ready","title":"Otoolling 32mm Matte-Black Challenge Coin Blanks — 50 Pack, 3mm Thick, Engraving-Ready","description":"\u003cp\u003e\u003cstrong\u003eThese are 50 matte-black 32mm x 3mm metal coin blanks from Otoolling designed for engraving, stamping, and custom finishing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether you make commemorative tokens, military-style challenge coins, gaming currency, or branded giveaways, this bulk set gives you consistent, ready-to-work round blanks. Each medallion is iron-based with a fingerprint-resistant matte black coating that peels cleanly under engraving to reveal crisp metallic contrast. Pieces come individually sealed in protective acrylic capsules and are organized in a sturdy plastic box for safe storage and transport.\u003c\/p\u003e\n\n\u003ch3\u003eHow durable are these blanks for heavy tooling and repeated machining?\u003c\/h3\u003e\n\u003cp\u003eThe Otoolling blanks use a solid iron core engineered to resist warping under pressure and heat. That makes them compatible with aggressive processes like stamping, deep etching, and laser marking while maintaining flatness and edge integrity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e32mm diameter and 3mm thickness for robust handling\u003c\/li\u003e\n  \u003cli\u003eThreaded edges for better grip during manual or machine placement\u003c\/li\u003e\n  \u003cli\u003eIron substrate resists deformation under heavy presses\u003c\/li\u003e\n  \u003cli\u003eMatte coating peels cleanly for sharp contrast in cuts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat engraving and marking methods work best on these coins?\u003c\/h3\u003e\n\u003cp\u003eThese blanks are prepared to respond predictably across a wide range of personalisation gear. They work well with diode, fibre, and CO2 lasers as well as traditional manual metal-stamping tools, producing legible, high-contrast results when the black layer is removed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDiode and fibre lasers: fine line control and deep contrast\u003c\/li\u003e\n  \u003cli\u003eCO2 marking: good for surface removal and tonal effects\u003c\/li\u003e\n  \u003cli\u003eMetal stamps and punches: clean impressions thanks to solid core\u003c\/li\u003e\n  \u003cli\u003eCompatible with anodizing, enamel fills, or paint after marking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat do I receive in the package and how are the pieces protected?\u003c\/h3\u003e\n\u003cp\u003eYou get 50 individual coin blanks, each sealed in its own clear acrylic capsule and securely arranged inside a compartmentalized plastic organiser. This packaging prevents scratches and scuffs during shipping and storage so each blank arrives in tool-ready condition.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e50 round blanks, 32mm (1.26\") diameter, 3mm (0.12\") thick\u003c\/li\u003e\n  \u003cli\u003eIndividual snap-tight acrylic capsules for each coin\u003c\/li\u003e\n  \u003cli\u003eSturdy organiser box for clean storage and inventory control\u003c\/li\u003e\n  \u003cli\u003eFlat, un-drilled faces on both sides for full design freedom\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this product for? Designers, small-batch manufacturers, makers, and hobbyists who create personalised metal goods will find this Otoolling set convenient for high-quality, repeatable results. It suits craft studios producing memorial pieces, small businesses developing branded tokens, gaming groups making custom currency, and DIY crafters experimenting with metal stamping or laser etching. If you need uniform, protected blanks that deliver strong contrast and stand up to heavy tooling, this 50-pack provides a dependable starting point for large or ongoing projects.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these blanks ready for laser engraving?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The matte black coating peels cleanly under diode, fibre, and CO2 lasers for sharp, high-contrast engraving.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the coins come with holes or drilled attachments?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. Both sides are flat and un-drilled to allow full customization without pre-set attachment points.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Otoolling","offers":[{"title":"Default Title","offer_id":55302918209873,"sku":"B0H8YG9N5S","price":96.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/5567\/3681\/files\/otoolling-front-packaging_d4f2d811-5cb8-4c3a-9b0f-0d57212c6286.jpg?v=1791984393","url":"https:\/\/craftiche.co.uk\/products\/otoolling-32mm-matte-black-challenge-coin-blanks-50-pack-3mm-thick-engraving-ready","provider":"Craftiche","version":"1.0","type":"link"}