Worthwill aluminum channel letter coil is a pre-painted aluminum alloy strip specifically designed for the side returns of 3D channel letters. Manufactured from premium aluminum base materials, it is factory-prepainted, precisely slit, and supplied in coils.
Ready to use right out of the box—requiring no welding or painting—it can be directly formed by hand or smoothly processed by CNC channel letter bending machines.
Why Choose Worthwill?
- Factory Direct: Fully integrated independent production with no middlemen, offering significant price advantages.
- Precision Slitting: Strict width tolerance control and smooth edges ensure seamless operation on CNC bending machines.
- Abundant Inventory: Ample stock of standard specifications and mainstream colors. Standard orders ship within 7 days.
- Flexible Customization: Supports custom corporate VI colors, non-standard sizes, and special alloys on demand.
- Quality Assurance: Backed by a 10-year coating warranty and a 5-year front-face color consistency warranty.
Specifications
Base Material Parameters
| Parameter | Specification Range |
| Alloy Grade | 1050, 1060, 3003, 3105, 5005, 5052 |
| Temper | H24, H26, H34 |
| Thickness | 0.5mm, 0.6mm, 0.8mm, 1.0mm (Equivalent to US .020"–.040") |
| Width | 30mm–500mm (Standard stock: 30, 40, 50, 60, 70, 80, 90, 110, 130mm) |
| Coil Length | 50m / 100m per coil (Customizable upon request) |
| Inner Diameter (ID) | 150mm, 400mm, 500mm (Compatible with mainstream bending machines) |
Imperial and Metric Thickness Conversion
| Imperial (inch) | Metric (mm) |
| .020" | 0.5mm |
| .024" | 0.6mm |
| .032" | 0.8mm |
| .040" | 1.0mm |
| .050" | 1.27mm |
| .063" | 1.6mm |
| Note: Worthwill supports both metric and imperial labeling. Product labels and Quality Control (QC) reports can be issued according to the requirements of your target market. |
Surface Treatment & Colors
Surface Finish Options
| Finish Type | Description |
| Coil Coated | Roller-coated with Fluorocarbon (PVDF) / Polyester (PE) paint, baked and cured. Offers the richest color selection. |
| Anodized | Bright Silver, Bright Gold, Brushed Silver, etc. |
| Brushed | Brushed Gold, Brushed Silver, Brushed Rose Gold. |
| Mirror | Mirror Silver, Mirror Gold. |
| Mill Finish | Raw aluminum surface, suitable for post-painting. |
Standard In-Stock Colors
Gloss White, Gloss Black, Matte Black, Red, Blue, Yellow, Green, Silver, Bronze, and other mainstream colors—in stock and ready to ship.
Corporate Identity (VI) Custom Colors
We support precise Pantone color matching to meet the unified visual standards
of franchise brands.
- Minimum Order Quantity (MOQ): Approx. 5,000 lbs (approx. 2.3 tons)
- Production Lead Time: 6–8 weeks
- Process: Provide color code/sample → Approve color swatch → Mass production
Back Treatment
Comes standard with Ultra White Primer on the back. This maximizes the reflectivity of the LED light sources inside the letter channel, resulting in more uniform and brilliant illumination. It effectively reduces the number of LED modules required, helping end-users cut costs.
Front Protection
The entire series features a PE protective film on the front face, preventing scratches during slitting, transportation, and bending processes. Simply peel off the film from the finished letter for a flawless surface.
In-Stock Inventory Quick Check
| Thickness | 3cm | 4cm | 5cm | 6cm | 7cm | 8cm | 9cm | 11cm | 13cm |
| 0.5mm | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 0.6mm | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 0.8mm | Y | Y | Y | Y | Y | Y | — | — | — |
| 1.0mm | — | — | Y | Y | Y | Y | Y | Y | Y |
Note: The above sizes are regularly stocked in standard colors including Gloss White, Gloss Black, Matte Black, Red, Blue, Green, Yellow, and Silver.
Top 5 Best-Selling Specifications Reference
| Rank | Thickness | Width | Coil Length | Application Scenario |
| 1 | .040" (1.0mm) | 5.3" (135mm) | 270' (82m) | Most versatile, medium-to-large outdoor storefront letters. |
| 2 | .040" (1.0mm) | 3.5" (89mm) | 270' (82m) | Small-to-medium storefront letters, indoor signage. |
| 3 | .040" (1.0mm) | 4.3" (110mm) | 270' (82m) | Medium-sized channel letters. |
| 4 | .063" (1.6mm) | 3" (76mm) | 270' (82m) | Mill Finish, requires post-processing/painting. |
| 5 | .040" (1.0mm) | 5.3" (135mm) | 500' (152m) | Mass production, highest cost-effectiveness. |
Note: Worthwill can manufacture and supply according to North American standard specifications (Imperial sizes + foot length). Product labels support imperial measurements.
Application Scenarios
- Front-lit: The most classic and eye-catching storefront sign standard. Paired with our highly reflective inner coating, it makes the front acrylic shine brighter than ever.
- Halo-lit / Reverse-lit: Metal face paired withchannel letter coils. Light projects from the back onto the wall, creating a premium, textured halo effect ideal for high-end beauty and jewelry brands.
- Trimless: The acrylic face and Worthwill aluminum return coils are precisely glued flush. With no extra trim caps, the clean and sharp lines showcase modern minimalist aesthetics.
- Trim Cap Letter: Used in conjunction with aluminum trim caps, it provides a strong metallic outline and exceptional wind resistance, perfect for large outdoor letters.
- Multi-Scene Extension: Thanks to its excellent anti-corrosion and anti-rust properties, it is also a fantastic material for Sign Cabinet Returns and 3D wayfinding systems in malls, hospitals, and office buildings.
Complementary Products
Worthwill offers a one-stop sourcing solution for channel letter aluminum materials:
- Trim Cap Coil: Available in various profiles and rich colors, it perfectly matches the channel letter coils. Used to securely "cap" the front acrylic face for a premium metallic look.
- Aluminum Sheets & Blanks: Highly flat and smooth, making them the perfect partner for cutting letter backers, support frames, and light box panels.
- ACM Panels (Aluminum Composite Material): A lightweight, high-strength solution perfect for large sign backboards and architectural facades.
Channel letter coils+ Trim Caps + Backers — Get everything you need from a single supplier.
Packaging & Logistics
Worthwill utilizes a dual-protection packaging solution, proven safe by tens of thousands of ocean freight shipments globally:
| Layer | Method | Function |
| Inner | Wrapped with PE film per coil | Moisture-proof and scratch-resistant |
| Outer | 5-ply reinforced corrugated carton | Crush-resistant protection, coils can be packed individually |
| Base | Export standard wooden pallet | Fumigated, ISPM15 compliant |
Guaranteed safe and damage-free for 30–45 days of ocean freight. We support FCL (Full Container Load) shipping as well as mixed containers with multiple categories, sizes, and colors.
Frequently Asked Questions (FAQ)
Q1: What is the Minimum Order Quantity (MOQ)? Can I mix colors and sizes in one container?
| Category | MOQ | Lead Time |
| In-stock Standard Colors | No strict MOQ, ships from 1 coil | Within 7 days |
| Custom Sizes/Colors | 2,000 meters per spec (approx. 1–2 tons) | 2–3 weeks |
| Corporate VI Custom Color | Approx. 2.3 tons (5,000 lbs) | 6–8 weeks |
| Yes, we fully support mixing multiple colors, sizes, and products in a single container. |
Q2: Will this product work with my channel letter bending machine?
Absolutely. Worthwill aluminum coils undergo strict width tolerance and flatness control, making them perfectly compatible with mainstream CNC bending machine brands on the market. We offer coil inner diameters (ID) of 150mm, 400mm, and 500mm, allowing you to choose the perfect fit for your machine's feeding shaft.
Q3: Can you provide samples?
Yes. We can send color swatch books and physical samples of specified sizes so you can verify the color, coating quality, and material feel.
Q4: What is your warranty policy?
- Overall Coating Warranty: 10 years
- Front-face Color Consistency Warranty: 5 years
- QC reports are provided with the shipment and can be issued according to your target market's requirements.
Get a Quote Today
Whether you need standardchannel letter coilsfrom stock or custom specifications, Worthwill is ready to provide you with competitive pricing and reliable delivery. Contact us now!
