2.1mm ID x 2.9mm OD Nylon Insulating Bush | Ø6.3mm Flange

Our 2.1mm ID x 2.9mm OD Nylon Insulating Bush is a precision-engineered insulation component designed to provide electrical isolation by preventing conductivity, heat transfer and unwanted contact between metal fasteners and sensitive components.  Just one of many components from our comprehensive spacers and washers range, designed to insuate, isolate and reduce friction between moving elements.

Also known as a shoulder washer, screw insulator, insulation ring, top hat bush or nylon insulating washer, this component is manufactured from high-quality natural Polyamide (Nylon 6), offering excellent mechanical strength, durability and resistance to vibration.

The integrated 6.3mm diameter flange (top hat design) provides additional insulation coverage and helps protect surrounding components from contact with the fixing screw or fastener. With a 2mm overall height and 0.8mm flange thickness, this insulating bush is ideal for compact assemblies requiring reliable electrical isolation. Common applications include electronics, PCB mounting, wiring systems, control panels, automotive components and industrial equipment.

Technical Specifications

• Material: Natural Polyamide (Nylon 6)
• Internal Diameter (ID): 2.1mm
• Outside Diameter (OD): 2.9mm
• Flange Diameter: 6.3mm
• Overall Height: 2mm
• Flange Thickness: 0.8mm
• Material Colour: Natural Nylon
• Electrical Properties: Non-conductive / Electrical insulating
• Thermal Properties: High thermostability
• Resistance: Vibration resistant and wear resistant
• Manufacturing Material: Nylon Plastic
• Alternative Names: Shoulder Washer, Screw Insulator, Insulation Ring, Top Hat Bush

Material Information

Manufactured from high-quality Polyamide (Nylon 6), this insulating bush combines excellent mechanical strength with reliable electrical insulation properties, making it ideal for demanding engineering and industrial applications.

Nylon 6 offers:

• Good impact resistance
• Low friction characteristics
• Strong dimensional stability
• Resistance to wear and abrasion
• Ability to withstand repeated movement and vibration
• Reliable performance across a wide temperature range

This makes the bush suitable for demanding environments where standard plastic washers may not provide sufficient durability.

Colour Options

Standard colours and finishes are available where possible. If you require a colour variation not shown within the available options, please contact our sales team. We may be able to provide alternative colours or custom solutions, subject to minimum order quantities.

Typical Applications

This nylon insulating bush is suitable for use in:

• Electrical insulation assemblies
• PCB mounting applications
• Circuit board protection
• Cable and wiring installations
• Transformer and power equipment
• Automotive electrical systems
• Control panels and switchgear
• Electronic device manufacturing
• Mechanical assemblies requiring isolation
• Screw and fastener insulation

Key Benefits

• Electrical insulation: Non-conductive Nylon 6 material helps prevent current transfer between components.
• Heat resistant: Excellent thermal stability for applications exposed to elevated temperatures.
• High vibration resistance: Durable construction helps maintain performance in moving or high-vibration environments.
• Lightweight yet durable: Excellent strength-to-weight performance.
• Component protection: Helps prevent metal screws and fasteners from damaging sensitive surfaces.
• Corrosion resistant: Unlike metal alternatives, nylon will not rust or corrode.
• Versatile applications: Suitable for electrical, mechanical and industrial assemblies.
  
  

Why Choose Our Nylon Insulating Bushes?

We supply high-quality Nylon insulating bushes manufactured for reliable performance across electrical, electronic and industrial applications. Whether you require a small quantity for maintenance or larger production volumes, our experienced team can help you select the correct size, material and specification for your application.

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• Material Data Sheet