FR4 G10 Epoxy Fiberglass Insulation Rods – High Strength & CNC Machinable (6–45mm)
Standard shipping included
Quality issue support
Fast & reliable support
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Standard shipping is included in the price of listed standard-size products. Contact us for expedited shipping or delivery arrangements for custom or oversized orders. Returns are accepted for quality problems under our refund policy, without limiting applicable statutory rights.
- Length 50cm / Diameter 6mm - $30.06
- Length 25cm / Diameter 6mm - $28.46
- Length 50cm / Diameter 8mm - $31.23
- Length 25cm / Diameter 8mm - $29.66
- Length 50cm / Diameter 10mm - $32.55
- Length 25cm / Diameter 10mm - $30.93
- Length 50cm / Diameter 12mm - $33.93
- Length 25cm / Diameter 12mm - $31.14
- Length 50cm / Diameter 16mm - $35.65
- Length 25cm / Diameter 16mm - $33.25
- Length 50cm / Diameter 20mm - $36.52
- Length 25cm / Diameter 20mm - $34.55
- Length 50cm / Diameter 25mm - $37.55
- Length 25cm / Diameter 25mm - $36.31
- Length 50cm / Diameter 28mm - $38.27
- Length 25cm / Diameter 28mm - $39.58
- Length 50cm / Diameter 30mm - $40.63
- Length 25cm / Diameter 30mm - $41.28
- Length 50cm / Diameter 35mm - $45.51
- Length 25cm / Diameter 35mm - $43.58
- Length 50cm / Diameter 40mm - $48.39
- Length 25cm / Diameter 40mm - $45.09
- Length 50cm / Diameter 45mm - $53.34
- Length 25cm / Diameter 45mm - $48.45
FR4 G10 Epoxy Fiberglass Insulation Rods – High Strength & CNC Machinable (6–45mm)
PRODUCT DETAILS
FR4 G10 Epoxy Fiberglass Rods – Heat Resistant Insulating Rods for Electrical, Mechanical & CNC Use (6mm–45mm, 25cm & 50cm)
Reliable, Durable, and Ready for Your Custom Projects
Searching for a high-performance insulating rod that can handle heat, pressure, and precision machining? Our FR4 G10 epoxy fiberglass rods are engineered for the toughest environments—providing exceptional electrical insulation, thermal resistance, and mechanical strength, all while supporting easy customization to fit your exact needs.
Whether you're building high-voltage insulators, precision fixtures, or chemical-resistant components, BeePlastic delivers the material you can count on—cut to size, made to perform, and priced to save you money.
Why Choose FR4 G10 Insulating Rods from BeePlastic?
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High Dielectric Strength: Perfect for isolating circuits, wiring, or high-frequency components.
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Heat Resistant Up to 180°C: Withstands thermal stress in demanding environments.
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Machinable and Customizable: Ideal for CNC, turning, milling, and cutting to precise shapes.
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Corrosion & Chemical Resistance: Trusted in aerospace, marine, automotive, and chemical industries.
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Multiple Sizes & Lengths: Available in diameters from 6mm to 45mm and lengths of 25cm and 50cm. Custom sizes available on request.
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Consistent Quality: Made from 3240 grade epoxy resin + fiberglass, certified with CE & RoHS.
Available Sizes & Options
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Diameters: 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 28mm, 30mm, 35mm, 40mm, 45mm
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Lengths: 25cm / 50cm
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Color: Light Green (Water Green)
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Tolerance: ±0.5mm standard, tighter available upon request
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Customization: CNC machining, special cutting, drilling, engraving
Applications Across Industries
Trusted by engineers and technicians in:
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Electrical engineering & control systems
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High-voltage insulators & panel components
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Aerospace assemblies
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Marine-grade enclosures
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Industrial machinery and motor supports
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Automotive electronics
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Custom fixture and jig production
Our Promise to You – From the Customer’s Perspective
✔️ “I needed a non-conductive, flame-retardant rod for a custom electronic enclosure. BeePlastic delivered the exact diameter I needed, cut to 25cm—saving time and labor.”
✔️ “The machining precision and material consistency exceeded our OEM standards. The support team even helped optimize our dimensions to reduce waste.”
✔️ “We saved over 15% switching from a local supplier, and the global shipping was fast.”
Technical Specifications
| Property | Details |
|---|---|
| Material | FR4 G10 – Epoxy Resin with Woven Fiberglass (3240 Grade) |
| Color | Water Green (Light Green) |
| Diameters | 6mm–45mm (14 sizes) |
| Lengths | 25cm / 50cm |
| Heat Resistance | Up to 180°C |
| Electrical Insulation | High dielectric strength |
| Machinability | CNC, cutting, drilling |
| Certifications | CE, RoHS |
| Customization | Yes – Cut-to-length, shaping, slotting, bulk OEM |
BeePlastic – Your Partner in Precision Plastics
🧩 One-Stop Material Hub: Not just FR4—choose from dozens of industrial plastics
🛠️ Real Engineering Support: CNC-ready, drawing-based processing, expert guidance
💰 Optimized to Save You Money: No excess inventory, no over-ordering—just the size you need
📦 Global Shipping & Local Support: Fast worldwide delivery + multilingual customer service
Frequently Asked Questions
Q: Can I order rods in custom diameters or lengths?
A: Absolutely! Send us your required specs or CAD drawings, and we’ll fabricate them accordingly.
Q: Is FR4 suitable for outdoor or high-humidity use?
A: Yes, FR4 has low water absorption and excellent dimensional stability in various environments.
Q: What is the MOQ for custom sizes or bulk orders?
A: We offer flexible MOQs depending on the processing method. Contact us for a quote.
Q: How soon can you ship?
A: Standard sizes ship within 2–3 working days. Custom orders are typically fulfilled within 5–7 working days.
Ready to Order? We’re Ready to Help.
🎯 [Add to Cart Now] – For standard sizes (25cm & 50cm) with fast shipping
🛠️ [Request a Custom Quote] – For OEM processing, special diameters, or bulk deals
📩 Have questions? Chat with us now—our engineers are standing by to assist you.
REVIEWS
SHIPPING & RETURNS
Shipping
Standard shipping is included in the price of listed standard-size products. For expedited shipping, custom or oversized orders, or a delivery deadline, contact us to confirm available arrangements and any additional charges before ordering. See our shipping policy for details.
Returns and quality problems
Our voluntary return policy covers quality problems; we do not offer change-of-mind returns. This does not limit applicable statutory rights, including withdrawal rights for eligible consumer purchases. For the return process and eligibility, see our refund policy.
If an item is defective, damaged or incorrect, email beeplastic@beeplastic.com with your order number, a description and clear photos. Please contact us before shipping an item back.
CUSTOM FABRICATION
Can't Find the Right Size or Specification?
If our standard products don't match your requirements, we offer comprehensive custom fabrication services. Whether you need a specific dimension, unique shape, different thickness, or special material grade - we can manufacture it to your exact specifications.
Our Custom Capabilities
Precision Machining:
CNC machining, laser cutting, drilling, milling, and turning with ±0.03mm tolerance. Suitable for complex geometries and tight specifications.
Size Range:
Thickness: 0.5mm - 300mm
Maximum dimensions: 2000mm × 3000mm
Custom shapes: Round, square, rectangular, irregular profiles, holes, cutouts, and complex contours
Available Materials:
HDPE, PTFE, POM, Nylon, PEEK, ABS, PC, PMMA, PP, PVC, and more. Food-grade, conductive, anti-static, and flame-retardant options available.
Processing Methods:
CNC machining, laser cutting, injection molding, thermoforming, welding, and bonding. Multiple finishing options including polishing, sandblasting, and color matching.
Why Choose Custom Fabrication?
Perfect Fit: Parts manufactured to your exact specifications eliminate the need for modifications or adaptations.
No Minimum Order: Whether you need 1 piece for testing or 10,000 pieces for production, we accommodate all order sizes.
Cost Savings on Volume: Volume pricing is available for bulk custom orders.
Expert Technical Support: Our engineering team provides free consultation on material selection and design optimization.
Custom Order Process
Step 1: Contact us with your requirements - dimensions, material preferences, quantity, and application details. Technical drawings (PDF, CAD, DWG) are helpful but not required.
Step 2: Receive a detailed quotation, normally within 1 business day, including pricing, production lead time, and technical recommendations.
Step 3: Approve the quote and specifications. For complex projects, we can provide samples for testing before full production.
Step 4: Production begins. Typical lead time is 7-15 days depending on complexity and quantity.
Step 5: Quality inspection and shipping. Every custom piece undergoes strict dimensional checks before delivery.
Industries We Serve
Automotive components, food processing equipment, medical devices, laboratory instruments, packaging machinery, semiconductor equipment, industrial automation, and more.
Get Your Custom Quote Today
Don't see the exact size or specification you need? Let us manufacture it for you.
Contact us: beeplastic@beeplastic.com
Response time: Reply within 1 business day
What to include: Material type, dimensions, quantity, and intended application. If you have technical drawings, please attach them. If not, simply describe what you need and our team will assist you.
Not sure about material selection or specifications? No problem - our technical team will guide you through the process and recommend the best solution for your application.
RECOMMENDED PRODUCTS
Custom Plastic Fabrication
1pc to 10,000+ | ±0.03mm | No MOQ
General
HDPE
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Engineering
POM
Nylon
PC
PMMA
High-Performance
PEEK
PEI
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Composites
FR-4
G10
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Why Choose BeePlastic?
Request a Quote
Industries: Automotive • Medical • Food • Lab • Semiconductor
Free consultation → beeplastic@beeplastic.com
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QUOTE IN 1 BUSINESS DAY
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QUALITY ISSUE SUPPORT
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PAYMENT OPTIONS
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