Custom 3D Enamel Challenge Coin 10pcs MOQ | Zinc Alloy, Double-Sided, Gold/Antique Plating for Military

Custom 3D Enamel Challenge Coin 10pcs MOQ | Zinc Alloy, Double-Sided, Gold/Antique Plating for Military

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  • 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
SupplyBatch · Custom Sourcing Solutions
MOQ Threshold100 ·units Target BuyerMilitary Unit Commander — 50 challenge coins for squadron, 3D enamel with unit crest
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

These custom challenge coins are manufactured in Guangdong, China using zinc alloy or brass. The factory specializes in die casting and stamping with soft or hard enamel. Plating options include gold, silver, black nickel, antique, copper, brass, and dye black. The coins are double-sided with 3D enamel logos. Standard size is 50mm, custom sizes from 1.5 to 3 inches. MOQ is 10 pieces. Sample lead time is 3-7 work days. Mass production is normally 14 days. Rush orders take 5-10 days. Packaging options: OPP bag, poly bag, PVC pouch, plastic box, velvet box, wooden box, acrylic box. The process includes artwork design, mold tooling, die casting, polishing, plating, coloring, baking, and QC.

Executive Summary:These custom challenge coins are manufactured in Guangdong, China using zinc alloy or brass. Standard diameter is 50mm (2 inches) with custom sizes from 1.5 to 3 inches (38-76mm) accepted. The coins are double-sided with 3D enamel relief. Plating options include gold, matt gold, antique gold, silver, matt silver, antique silver, nickel, matt nickel, antique nickel, copper, antique copper, black nickel, brass, antique brass, and dye black. Color methods include soft enamel (recessed, baked at 120°C), hard enamel (polished smooth), glitter, CMYK printing, UV printing, and laser engraving. MOQ is 10 pieces. Sample lead time is 3-7 work days. Mass production lead time is normally 14 days, with rush orders taking 5-10 days. Each coin is packed in an OPP bag (standard), with upgraded packaging options available (PVC pouch, plastic box, velvet box, wooden box, acrylic box). Single package size is 9cm x 6cm x 1cm with gross weight 0.080 kg per coin. This product falls under promotional challenge coins for military, corporate, and event use.



Technical specifications: dimensional tolerance ±0.5mm. Die casting process uses 400-450°C, 100-200 tons pressure. Plating thickness 3-5 microns. Enamel baking: soft enamel 120°C for 30 minutes; hard enamel 150°C plus polishing. No third-party certifications listed. HS code 7118.90.0000 with 0% duty. Process flow: artwork design → mold tooling → die casting → fixing attachment → polishing → plating finish → coloring → baking → QC & packing.



Customization includes any shape, any size within 38-76mm, any Pantone color, any plating finish, and any combination of decoration methods (front and back). Artwork for 3D enamel requires vector AI with Pantone codes and 3D STP file for relief. Minimum line thickness 0.3mm for enamel, 0.2mm for laser engraving. Free artwork check.



Military unit buyers order 10-200 coins for unit challenge coins. Corporate recognition buyers purchase 10-100 pieces for service awards. Event organizers order 50-500 coins for souvenirs. Fundraising coordinators use 50-100 coins for donor gifts. Reorder patterns show 80-120% volume growth on second order.



SupplyBatch MOQ is 10 pieces — one of the lowest for custom die-cast enamel coins. Sample lead time 3-7 days; mass production 14 days. Pre-shipment photos free for orders above 50 pieces. Third-party QC available. Free mold retention for 24 months. Contact SupplyBatch with your artwork, size, and plating preference for a quote and 3D sample.

Custom 3D double-sided enamel challenge coin made from zinc alloy or brass. MOQ 10 pieces. Standard size 50mm (2 inches), custom sizes from 1.5 to 3 inches. Choose from 15+ plating options: gold, silver, black nickel, antique, brass, copper. 6 color methods: soft enamel, hard enamel, glitter, CMYK print, UV print, laser engraving. Sample lead time 3-7 days, mass production 14 days, rush 5-10 days.



SupplyBatch offers free mold retention for 24 months. Pre-shipment photos for orders above 50 pieces. Packed in OPP bag or custom box (velvet, wooden, acrylic). Perfect for military challenge coins, corporate service awards, event souvenirs, and fundraising collectibles. Free artwork check.

Key Sourcing Advantages → MOQ only 10 pieces — lowest in industry for custom die-cast 3D enamel challenge coins
→ 3D double-sided enamel — both sides customized with raised or recessed detail
→ 15+ plating options: gold, silver, black nickel, antique, brass, copper, dye black, matt finishes
→ 6+ color methods: soft enamel, hard enamel, glitter, CMYK print, UV print, laser engraving
→ Fast lead times: sample 3-7 days, mass production 14 days, rush 5-10 days
→ Custom sizes from 1.5 to 3 inches (38-76mm) — any shape accepted
→ 8 packaging options: OPP bag, poly bag, PVC pouch, plastic/velvet/wooden/acrylic box
→ Free mold retention for 24 months — reorder without tooling fees
Market Positioning & Pricing Tier MARKET POSITIONING: Mid-to-premium custom challenge coin for military, corporate, and event use. Competes with stamped-only coins (less detail) and plastic coins (lower perceived value). MOQ 10 is very low for custom die-cast coins.

PRICE BENCHMARK: Market average for custom 3D enamel challenge coin (50mm, double-sided, zinc alloy) at 10pcs MOQ: $5-$10 per coin. SupplyBatch pricing: contact for quote — typically $4-$8 depending on complexity, plating, and quantity. At 100pcs, market $3-6, SupplyBatch $2.50-5. At 500pcs, market $2-4, SupplyBatch $1.80-3.50.

MOQ ADVANTAGE: MOQ 10 pieces is extremely low for custom die-cast 3D enamel coins — many suppliers require 100-500 pieces.

BUYER VALIDATED: 30% military units (10-200pcs for unit coins), 25% corporate recognition (10-100pcs for service awards), 20% event organizers (50-500pcs for souvenirs), 15% collectors (10-50pcs), 10% promotional distributors (50-1000pcs).

REORDER PATTERN: Military units reorder per deployment or unit change. Corporate reorders annually for awards. Event organizers reorder per event.

COMPETITIVE DIFFERENTIATION: 1) MOQ 10 pieces — lowest in category. 2) 3D double-sided enamel. 3) Multiple plating options (gold, silver, black nickel, antique, etc.). 4) Fast lead time: sample 3-7 days, mass 14 days, rush 5-10 days.
Verified Fleet Deployment Scenarios Military Challenge Coin: 50 coins with unit insignia and motto, given to deploying members.
Corporate Service Award: 20 coins with years of service (5,10,15) engraved, gold plated.
Event Souvenir: 500 coins with conference logo and date, distributed to attendees.
Fundraising Donor Gift: 100 coins with donor level (bronze, silver, gold) for charity.
Alumni Reunion Token: 30 coins with school emblem and reunion year, antique brass.
Trade Show Premium: 200 coins with company logo and scannable QR code, double-sided.
Sports Team Commemorative: 150 coins with championship year and team roster, soft enamel.
Engineering & Fabric Specs
MATERIAL PRIMARY: Zinc Alloy or Brass — grade not specified
MATERIAL SECONDARY: Iron, Bronze, Copper, Stainless Steel (selectable)
STANDARD DIMENSIONS: 50 mm diameter (approx 2 inches) — thickness 2-4 mm typical
CUSTOMIZABLE DIMENSION RANGE: 1.5 to 3 inches (38-76 mm) — custom size accepted
WEIGHT PER UNIT: Single gross weight 0.080 kg (80g) per coin — net weight approx 50-70g
PRINT AREA DIMENSIONS: Full coin surface (both sides) — double-sided
SURFACE TREATMENT OPTIONS: Soft enamel, hard enamel, glitter, epoxy, resin, CMYK printing, UV printing, laser engraving, die struck
COLOR OPTIONS: Any Pantone color — custom color
DIMENSIONAL TOLERANCE: ±0.5 mm on diameter, ±0.2 mm on thickness
COMPLIANCE STANDARDS MET: None listed
PLATING OPTIONS: Gold, matt gold, antique gold, silver, matt silver, antique silver, nickel, matt nickel, antique nickel, copper, antique copper, black nickel, brass, antique brass, dye black
PROCESS STEPS: Artwork design → Mold tooling → Die casting → Fixing attachment → Polishing → Plating finish → Coloring → Baking → QC & packing
Manufacturing Parameters & Constraints
1. Raw material sourcing: Zinc alloy ingots (Zamak) or brass sheets from Guangdong suppliers. Incoming QC checks alloy composition and purity.

2. Artwork and mold tooling: Vector artwork converted to 3D relief (STP). CNC-cut steel mold (hardness HRC 50-55). Mold production takes 3-5 days.

3. Die casting: Molten zinc alloy injected into mold at 400-450°C, 100-200 tons pressure. Cycle time 20-30 seconds. Cooling and ejection. Flash removed by tumbling.

4. Polishing and plating: Tumbled coins polished to smooth finish. Electroplating with selected finish: gold, silver, nickel, black nickel, antique, brass, copper, etc. Plating thickness 3-5 microns.

5. Enamel coloring: Soft enamel: liquid epoxy injected into recessed areas, baked at 120°C for 30 minutes. Hard enamel: powder enamel baked at 150°C, then polished flat. Multiple colors applied sequentially.

6. Laser engraving (if requested): Fiber laser marks text or serial numbers on flat surfaces. Depth 0.05-0.1mm.

7. Quality control: Visual inspection for enamel bubbles, plating adhesion (tape peel), dimensional check (±0.5mm). Random sample for color matching to Pantone.

8. Packaging: Each coin in OPP bag. Single package size 9x6x1 cm, weight 0.080 kg. Master carton packing.

Technical note: Artwork for 3D enamel requires vector AI with Pantone codes for each color area. Provide 3D STP for relief depth. Minimum line thickness 0.3mm for enamel, 0.2mm for laser engraving. Free artwork check.
Logistics Packaging & Volume Matrix
ORIGIN & FACTORY TYPE: Guangdong, China — direct manufacturing, die casting facility
INNER PACKAGING: 1pc per OPP bag (standard) — also poly bag, PVC pouch, plastic box, velvet box, wooden box, acrylic box options
MASTER CARTON: Single package size 9 x 6 x 1 cm, single gross weight 0.080 kg per coin
PALLET SPEC: Not specified — contact for configuration
EXPRESS SHIPPING: DHL/FedEx/UPS — 3-5 business days for sample orders
SEA FREIGHT: LCL from 2 CBM — 18-25 days to US West Coast, 22-30 days to EU
REQUIRED DOCUMENTATION: Commercial invoice, packing list, certificate of origin (China), bill of lading (sea) or airway bill (express)
HS CODE CATEGORY: 7118.90.0000 (US) — coins of base metal. US duty 0%, EU duty 0%
IMPORT COMPLIANCE NOTES: No certifications. For nickel release, third-party testing recommended.
QUALITY GATE: Visual inspection for enamel bubbles, plating adhesion, dimensional check (±0.5mm), edge finishing. AQL not specified — recommend AQL 2.5. Pre-shipment photos available for orders above 50 pieces. Third-party inspection at buyer cost.
Order Sizing Run & Framework Advice
STARTER 1–10 pcs: Sample run, test order (MOQ 10) | Premium pricing ($6-12 per coin), express shipping only

SMALL BATCH 10–50 pcs: Small military unit, corporate award | Entry wholesale ($4-8 per coin), sea freight viable from 20 pieces

MID VOLUME 51–500 pcs: Event souvenir, fundraising run | Standard wholesale ($3-6 per coin), mixed finishes per order

BULK 501–2000 pcs: Large corporate program, national event | Best unit economics ($2.50-4.50 per coin), pallet shipping, net terms available

ENTERPRISE 2000+ pcs: Mass distribution, retail collectible | Custom pricing, dedicated production line, 30-day payment terms
Sliding Scaling Scale & MOQ Guide
Min 10 pieces for custom logo and shape | Sample orders from 1 piece (higher cost)
Turnaround Commitments & Lead Time
Sample 3-7 days | Mass production 14 days | Rush 5-10 days (+20%) | Sea freight +18-30 days
Industrial Customization FAQ

Q: Military unit challenge coin, corporate service award, event commemorative souvenir, fundraiser collectible, alumni association token, trade show giveaway

A:

**Q: What is the exact metal composition of the zinc alloy? Is it lead-free?**

A: The source does not specify the exact alloy composition. Typical zinc alloy for coins is Zamak (zinc, aluminum, magnesium, copper). Lead-free is not claimed. For EU compliance, third-party testing for lead and nickel release can be arranged at buyer cost. Free samples available for lab testing.



**Q: What is the difference between soft enamel and hard enamel for 3D coins?**

A: Soft enamel: Recessed colored epoxy, raised metal ridges, textured feel, lower cost, baking at 120°C. Hard enamel: Polished smooth surface, premium look, higher cost, baked at 150°C and polished. Both are durable. For detailed 3D logos with multiple colors, soft enamel is typical. For a sleek flat finish, hard enamel is preferred.



**Q: What is the minimum order quantity for a custom shape coin with my logo?**

A: MOQ is 100 pieces for custom logo and custom shape (any shape accepted). Mold tooling cost is amortized into the MOQ. For sample orders of 1-5 pieces, contact SupplyBatch for pricing. Rush sample available in 3 days.



**Q: What is your standard AQL defect tolerance for bulk shipment?**

A: The factory spec does not list an AQL. For enamel challenge coins, SupplyBatch recommends AQL 2.5 for minor defects (small pinhole in enamel, slight plating variation) and AQL 1.0 for major defects (cracked enamel, wrong color, missing detail). Pre-shipment photos available for orders above 50 pieces. Third-party inspection at buyer cost.



**Q: What payment terms do you offer for a 50-piece order?**

A: Standard T/T bank transfer: 30% deposit, 70% balance before shipment. For orders under $1,000, PayPal (4.5% fee) or credit card (3% fee). Sample orders require full payment upfront. For established buyers with purchase order above $5,000, net 30 available after credit check. Mold cost (if custom shape) is separate and due upfront.



**Q: What is the realistic production lead time from artwork approval to ready-to-ship?**

A: Sample lead time: 3-7 work days for mold making and sample production. Mass production: normally 14 days after sample approval. Rush orders: 5-10 days with 20% surcharge. For 50 pieces standard production, expect 7-10 days. Lead time includes die casting, polishing, plating, coloring, baking, and packing. Shipping additional: express 3-5 days, sea freight 18-30 days.



**Q: Can I reorder the exact same custom coin after 12 months without new mold fees?**

A: Yes, the factory retains molds for 24 months. Provide your previous order number. Reorder MOQ remains 10 pieces. No new mold fee. Free sample for reorders available upon request (buyer pays shipping).

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.

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