Custom 3D Enamel Challenge Coin 10pcs MOQ | Zinc Alloy, Double-Sided, Gold/Antique Plating for Military
Request a Wholesale Quote:
- MOQ: 100 pieces (custom logo and shape)
- Lead time: Sample 3-7 days | Mass 14 days | Rush 5-10 days
- Material: Zinc alloy / brass (iron, bronze, copper, stainless steel options)
- Size: 50mm standard (1.5-3 inches custom)
- Decoration: 3D double-sided enamel (soft/hard, glitter, CMYK, UV, laser)
- Plating: Gold, silver, black nickel, antique, brass, copper, dye black, matt finishes
- HS code: 7118.90.0000 (0% duty)
Attribute Data Matrix
Technical Comparison Analysis
Soft Enamel vs. Hard Enamel vs. Die Struck Challenge Coins
Soft enamel: Recessed colored epoxy, raised metal edges, textured feel, lower cost, baking 120°C. Hard enamel: Polished smooth surface, premium look, higher cost, baking 150°C + polishing. Die struck: No color, raised design only, lowest cost. For military unit coins with detailed 3D logos, soft enamel is standard. For corporate awards where smooth finish is desired, hard enamel is preferred.
Zinc Alloy vs. Brass vs. Stainless Steel
Zinc alloy: Cost lower, good for 3D detail, plating adheres well, weight moderate (80g per coin). Brass: Higher cost, heavier, premium feel, natural gold color. Stainless steel: Highest durability, harder to cast fine detail, heaviest. For challenge coins that will be carried daily, zinc alloy is cost-effective and durable.
Multi-Scenario Buyer Applications
Military Unit Commander – Squadron Challenge Coins
A US Air Force squadron commander needed 50 challenge coins for deploying members. They wanted 3D double-sided soft enamel with unit crest on front and squadron motto on back. Plating: antique brass for a classic military look. MOQ 10 was easily met. Sample approved in 5 days with 3D relief. Mass production took 12 days for 50 coins. Each coin was OPP bagged. The coins were presented in a velvet box for the commander's coin presentation ceremony. Reorder: 100 coins for the next deployment.
Corporate Recognition Buyer – Service Award Coins
A technology company wanted 20 custom coins for employees reaching 5, 10, and 15 years of service. They chose hard enamel for a polished finish with gold plating. Each coin had the company logo and years engraved on the back. Laser engraving was used for individual years. MOQ 10 allowed the 20-piece order. Lead time: sample 6 days, production 10 days. Each coin was packed in an acrylic display box (custom upgrade). Employees displayed them on desks. Reorder: 30 coins for next year's awards.
Event Organizer – Annual Conference Souvenir
A large industry conference needed 500 challenge coins as attendee souvenirs. They required CMYK printing for a full-color event logo on one side and sponsor logos on the reverse. Zinc alloy with silver plating was selected. The coins were 50mm standard size. MOQ 10 was exceeded. Production lead time: 14 days for 500 pieces. Each coin was in an OPP bag and then master carton. Attendees used them as luggage tags and collectibles. Reorder: 750 coins for the next conference with updated design.
FAQ Matrix
Custom Production: Can I get a sample with my exact 3D design before ordering 10 pieces?
Yes, sample orders of 1-5 pieces are accepted. Sample lead time is 3-7 days. Mold tooling cost is included in sample pricing. The sample will be the exact 3D enamel with your design. Sample cost is higher per coin but is deductible from the bulk order. Free digital 3D proof provided before mold making.
Logistics & Shipping: How many challenge coins fit in a 20ft container for sea freight?
Single package size 9x6x1 cm = 0.000054 CBM per coin in OPP bag. A 20ft container (28 CBM) holds approximately 518,000 coins theoretically. With master cartons (assume 500 coins per carton, carton 30x20x15cm = 0.009 CBM), about 3,111 cartons = 1,555,500 coins. For 500 coins, sea freight LCL from 2 CBM is cost-effective. Request a packing plan.
Quality & Compliance: How do you ensure the enamel doesn't crack or peel over time?
We bake enamel at controlled temperatures (soft enamel 120°C, hard enamel 150°C) for 30 minutes, ensuring full curing. A thermal shock test is performed on 5% of each batch: heat to 80°C for 1 hour, then immerse in 20°C water. No cracking or peeling is acceptable. For orders above 200 coins, we provide a video of the test. The enamel is also UV-resistant to prevent fading.
| Attribute | Specification | Notes |
|---|---|---|
| Product type | Challenge coin | Commemorative souvenir |
| Material | Zinc alloy, brass, iron, bronze, copper, stainless steel | Selectable |
| Technique | Die casting / stamping + enamel | 3D relief |
| Plating options | Gold, silver, black nickel, antique, brass, copper, dye black, matt finishes | 15+ options |
| Color methods | Soft enamel, hard enamel, glitter, CMYK, UV, laser engraving, epoxy | |
| Standard size | 50 mm diameter (2 inches) | 1.5-3 inches custom |
| MOQ | 100 pieces | |
| Sample lead time | 3-7 working days | |
| Mass production lead time | 14 days (normally) | |
| Rush lead time | 5-10 days | |
| Single package size | 9 x 6 x 1 cm | |
| Single gross weight | 0.080 kg | |
| Packing options | OPP bag, poly bag, PVC pouch, plastic/velvet/wooden/acrylic box | |
| Place of origin | Guangdong, China |
Corporate Recognition Buyer — 20 coins for service award, gold plating with engraved years
Event Organizer — 500 coins for annual convention souvenir, custom shape and double-sided
Fundraising Coordinator — 100 coins for donor appreciation, antique silver finish
Alumni Association Manager — 30 coins for reunion token, brass with university logo
Trade Show Exhibitor — 200 coins with booth number and QR code (laser engraved) Facility Origin
Q: Military unit challenge coin, corporate service award, event commemorative souvenir, fundraiser collectible, alumni association token, trade show giveaway
A:
Why SupplyBatch



Real Craftsmanship, Small-Batch Ready
We don’t just chase scale; we care about the details. From the initial sample to the final product, every step is handled with care to make sure your design looks just as good in real life as it does on your screen.
At SupplyBatch, you’re working with real product pros. We know that custom merch is your brand’s reputation on the line, so we dig into the details: we’ll analyze your artwork, suggest material upgrades for longevity, and double-check your proofing so there are no surprises when the boxes arrive.



Quality Checked & Shipped Right
We inspect every piece before it leaves our floor, weeding out the ones that don't make the cut. We also know the ins and outs of shipping smaller batches—getting them to you safely and cost-effectively, so you don’t have to worry about a thing.
You bring the vision, and we bring the practical, boots-on-the-ground expertise to turn your ideas into high-quality products that actually hit the mark.
Customization with Brand Services



Customization with a Personal Touch
You’re working with experts who understand the technical side of custom manufacturing inside and out. We don’t just process orders; we act as an extension of your team. Whether it’s fine-tuning your logo dimensions to ensure it looks sharp, recommending the most durable materials for your specific use-case, or troubleshooting production files before they hit the machines—we’re hands-on. We’re here to bridge the gap between your initial sketches and the professional-grade merchandise you’ll be proud to put your name on.
At SupplyBatch, you’re working with real product pros. We know that custom merch is your brand’s reputation on the line, so we dig into the details: we’ll analyze your artwork, suggest material upgrades for longevity, and double-check your proofing so there are no surprises when the boxes arrive. You bring the vision, and we bring the practical, boots-on-the-ground expertise to turn your ideas into high-quality products that actually hit the mark.
Custom Apparel & Bag --- Office & Business --- Tech --- Event & Promotional --- Lifestyle & Outdoor --- Home & Living --- Industrial & Hardw
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