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

About this item

• 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 p
• 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
• 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 p
• 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
• 32mm X 3mm
• 40mm X 2mm