Versatile DIY Crafts: Brass Blank coins for engraving have a flat and blank surface, perfect for laser enthusiasts; the blank surface is suitable for engraving a lot of patterns or words, you can do some styling on it; BUT BE CAREFUL: after spray or coating the metal, use a laser such as Fiber lasers to mark the metal! Recommend to gradually increase the power in increments of 20 Watts until you achieve the desired result. NOTE: The blank coin's surface is Matte Finish.
Brass Material: Brass Blank Challenge Coins are made of premium Solid Brass which is safe and reliable, sturdy and solid, not easy to break, fade, wear and tear, can be used for a long time. The surface may have traces due to brushed natural brass finish. But it doesn't affect the use of engraving. Brass coin blank is suitable for Fiber Laser Engraving, Stamping and Etching.
Size Information: Measuring about 40 mm/1.57 inches in diameter and 4 mm/0.157 inches thick, brass coin blanks for laser engraving are small and delicate. Each challenge coin blanks comes with a transparent plastic case. PLEASE NOTE THE SIZE DETAILS BEFORE ORDERING.
Reeded Edged Design: The Gear edge on blank challenge coins for engraving adds a touch of sophistication and a special feel to the touch, making them distinctive and perfect for custom engraving projects.
Special Gift: You can make these laser engravable metal coins the way you want and give them to your friends, family, colleague, coworker, neighbor, classmate, wife, husband, military medal collector and so on. It can bring them happiness and make your relationship closer.
NOTE:①Blue/purple/near-UV diodes (380-455nm) generally cannot emboss well, but they can mark the metals with additional assistance like coatings or certain sprays. For embossing, Fiber lasers (1064nm) are more suitable. ②Blank coins emboss well on the X-Tool F1 Ultra, so if you try to emboss them, make sure your machine setting is correct and you have right tools. Remember: after embossing, you need to rerun the cleanup pass for the better effect.
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