15 Pack Blank Challenge Coins for Laser Engraving, 40mm Diameter 3mm Thick Black Metal Coin Blanks, Engravable Stamping Blanks with Protective Cases for DIY Crafts Commemorative Collection

Features: These coin blanks for laser engraving offer endless possibilities for DIY enthusiasts and professionals alike, suitable for custom challenge coins, jewelry, keychains, tokens, ball markers, and more. The neutral black surface works well with various projects, and the design without holes allows flexibility in drilling or punching. Each of the 15 laser engravable blanks comes with its individual plastic storage box, preventing any scratches or dents. This thoughtful package not only maintains the coins' pristine condition but also simplifies management and organization, aiding both hobbyists and businesses in their projects. Specifications: Material: iron Color: black Size: Diameter: 1.57 inches/ 40 mm Thickness: 0.12 inch/ 3 mm Package includes: 15 x Blank coins for engraving 15 x Clear plastic storage box Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays

• Bulk Set for Custom Projects: includes 15 pieces of 1.57 inch/ 40 mm diameter, 0.12 inch/ 3 mm thick round black coin blanks with threaded edges; Every round medallion blank features a clean, flat surface on both sides without pre-drilled holes, providing total creative freedom for large-scale customization, tokens, or uniform business branding assets
• High-contrast Matte Black Coating: these blank coins for engraving are crafted from iron covered with an even, fingerprint-resistant black layer that provides a non-reflective matte appearance; When processed, the dark coating peels away cleanly to reveal the metallic substrate underneath, ensuring crisp line work, legible text layout, and precise detailing for intricate patterns or photographic portraits
• Broad Tooling Etching Compatibility: expertly prepared to interact reliably with various personalization equipment; These heavy-duty blank challenge coins respond cleanly to diode, fiber, and carbon dioxide marking systems, as well as traditional manual metal stamping punches; The solid structural iron core resists warping under intense pressure or focused thermal applications
• Individual Protective Acrylic Storage: each laser engraving blank comes individually enclosed in its own snap-tight transparent capsule, packed inside a sturdy plastic organizer box; This isolated packaging layout shields the pre-engraved surfaces from transit friction, scratches, and impact, ensuring every unit arrives in pristine, ready-to-tool condition
• Versatile Crafting Uses: designed to serve as metal stamping blanks for crafting personalized commemorative rewards, custom army-style challenge medallions, distinct geocaching pathfinders, durable golf ball markers, or high-end tabletop gaming coins chips; Ideal for creators preparing bespoke retail products or unique personalized gifts