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Insulation Materials & Elements
  • FR4 G10 Insulation Bolt and Nut with High Mechanical Strength and Threaded Rod for Secure Fastening
  • FR4 G10 Insulation Bolt and Nut with High Mechanical Strength and Threaded Rod for Secure Fastening
  • FR4 G10 Insulation Bolt and Nut with High Mechanical Strength and Threaded Rod for Secure Fastening
  • FR4 G10 Insulation Bolt and Nut with High Mechanical Strength and Threaded Rod for Secure Fastening
  • FR4 G10 Insulation Bolt and Nut with High Mechanical Strength and Threaded Rod for Secure Fastening
  • FR4 G10 Insulation Bolt and Nut with High Mechanical Strength and Threaded Rod for Secure Fastening
FR4 G10 Insulation Bolt and Nut with High Mechanical Strength and Threaded Rod for Secure Fastening

FR4 G10 Insulation Bolt and Nut with High Mechanical Strength and Threaded Rod for Secure Fastening

  • 1 - 49 Pieces
    $7.10
  • >= 50 Pieces
    $6.47

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
View product details

FR4 G10 Insulation Bolt and Nut with High Mechanical Strength and Threaded Rod for Secure Fastening

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Insulation & Thermal Resistance: Constructed from FR4 and G10 materials, these bolts and nuts provide robust electrical insulation and withstand high temperatures, ensuring safety in transformer applications.
  • Secure Fastening: High mechanical strength and precision-threaded rods guarantee reliable connections under mechanical stress, preventing loosening in dynamic environments.

Key features

  • 1. Advanced Material Technology

    • With FR4/G10 composite material, ensure superior insulation and thermal stability in high-temperature transformer environments. This material outperforms plastic fasteners in heat resistance and surpasses basic metal bolts in electrical isolation.*

  • 2. High Mechanical Strength

    • With enhanced mechanical strength, withstand heavy loads and frequent stress without deformation, outperforming standard plastic or low-grade metal fasteners in durability and reliability.*

  • 3. Precision Threaded Rod Design

    • With precision-engineered threaded rods, achieve tight, vibration-resistant connections in critical electrical assemblies, simplifying installation while maintaining structural integrity under dynamic conditions.

  • 4. Transformer-Specific Scenario Solutions

    • Designed for transformer applications, these bolts and nuts ensure secure fastening in high-voltage and high-heat environments, addressing the unique demands of electrical insulation and mechanical stability in power systems.

  • 5. Certified Safety Compliance

    • Certified to meet electrical safety standards (e.g., UL, ISO), ensuring compliance with industrial requirements for insulation and mechanical performance.*

Product details

FR4 G10 Insulation Bolt and Nut with High Mechanical Strength and Threaded Rod for Secure Fastening

The FR4 G10 Insulation Bolt and Nut with High Mechanical Strength and Threaded Rod is engineered for secure fastening in transformer applications. Constructed from FR4/G10 glass epoxy laminate, it combines exceptional thermal stability, chemical resistance, and mechanical durability to ensure reliable performance in harsh environments.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialFR4/G10 glass epoxy laminateInsulation stability in transformer cores under thermal cycling.
Mechanical Strength5000 N/mm² tensile strengthWithstands mechanical stresses during assembly and operation.
Threaded DesignPrecision-machined M12/M16 threadsSecure fastening in high-voltage transformer components.
Temperature ResistanceContinuous operation up to 130°CMitigates thermal degradation in high-temperature transformer cores.
Chemical ResistanceResists oils, coolants, and corrosivesMaintains integrity in chemically aggressive environments.
Insulation ClassClass H (180°C)Ensures dielectric safety in high-voltage transformer windings.

Customization guide

Adjustable parameters include:

  • Dimensions: Customize bolt/nut lengths and thread pitches for specific transformer designs.
  • Material Thickness: Optimize for voltage ratings (e.g., 600V–15kV).
  • Surface Coating: Add anti-corrosion coatings for marine or industrial settings.

Get inspired

With FR4/G10’s unmatched thermal and mechanical properties, you can design transformers that withstand extreme operational stresses. The precision threads ensure secure fastening even under vibration, while chemical resistance extends lifespan in harsh industrial environments.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Mechanical Strength5000 N/mm²+15% (5750 N/mm²)+30% (6500 N/mm²)
Temperature Resistance130°C150°C180°C
Insulation ClassClass F (155°C)Class H (180°C)Class C (220°C)
Chemical ResistanceBasic (oils)Enhanced (acids)Premium (solvents)

Supplier's note

  1. Technical Breakthroughs:

    • Material Innovation: FR4/G10’s glass transition temperature (Tg > 170°C) outperforms traditional phenolic insulation by 40%, enabling stable operation in high-temperature transformer cores.
    • Threaded Precision: Tolerance within ±0.01mm ensures minimal torque loss, critical for high-voltage connections.
    • Customizable Dimensions: Adaptable to transformer designs with voltage ratings up to 15kV.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard industrial transformers (≤10kV) where cost-efficiency is prioritized.
    • Advanced Model: Choose for heavy-duty applications (e.g., power substations) requiring acid resistance and 150°C operation.
    • Pro Model: Designed for aerospace or extreme environments (e.g., offshore platforms) needing solvent resistance and Class C insulation.

With the Pro version’s 220°C insulation capability, you can safely handle high-power transformers in solar or wind energy systems. Its premium chemical resistance also safeguards against corrosive marine environments. Pair this with customizable thread pitches to ensure secure fastening in tight spaces.

Frequently asked questions

  • Which insulation bolt model suits high-temperature transformer applications?

  • How do I clean the threaded rod of FR4 G10 bolts without damaging insulation?

  • FR4 vs. G10 insulation bolts: Which is better for transformer cores?

  • Can FR4 G10 bolts be customized for transformer-specific dimensions?

  • Is the FR4 G10 material UL-certified for transformer insulation?

  • How do these bolts prevent electrical leaks in transformers?

  • Are these bolts suitable for outdoor transformers exposed to chemicals?

  • What torque specifications should I use for installing FR4 G10 bolts?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Mechanical StrengthIndustrial Transformers, Heavy MachineryIndustry Standard: 80 Nm (ISO 6743-11)
Our Base: 100 Nm▲
Our Advanced: 120 Nm▲▲		Ensures secure fastening in high-torque applications
Reduces loosening risks		Advanced versions may require specialized tools for installation
Thermal ResistanceHigh-Temperature EnvironmentsIndustry Standard: 105°C (UL 746B)
Our Base: 120°C▲
Our Advanced: 130°C▲▲		Operates reliably in extreme heat (e.g., transformers)
Longer component lifespan		Requires additional cooling in ultra-high-temperature scenarios
Chemical ResistanceChemical Plants, Corrosive EnvironmentsIndustry Standard: 30+ chemicals (ASTM D543)
Our Base: 50+▲
Our Advanced: 70+▲▲		Withstands harsh chemicals like acids/bases
Reduces corrosion-related failures		Advanced versions have higher material costs due to specialized coatings
Dielectric StrengthHigh-Voltage Electrical SystemsIndustry Standard: 15 kV/mm (IEC 60694)
Our Base: 18 kV/mm▲
Our Advanced: 22 kV/mm▲▲		Prevents electrical breakdown in transformers
Enhances safety in high-voltage setups		Thicker insulation may increase component size and weight
Thread SpecificationsPrecision Assembly, AerospaceIndustry Standard: Thread Pitch 2.0 mm (ISO 261)
Our Base: 1.8 mm▲
Our Advanced: 1.5 mm▲▲		Tighter seals for leak-proof connections
Improved alignment in critical systems		Smaller threads may be more prone to cross-threading during installation
Weight & PortabilityMobile Equipment, Portable DevicesIndustry Standard: 1.8 g/cm³
Our Base: 1.6 g/cm³▲
Our Advanced: 1.4 g/cm³▲▲		Easier handling and transport
Reduces equipment weight by 22% (Advanced)		Lighter materials may compromise mechanical durability slightly

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