Automotive Rubber Parts

Rubber Bellows Dust Boot with Rectangular Mounting Flange

Size / Dimensions Custom
Material EPDM or CR (Chloroprene)

Send drawings, sample photos, size, quantity, material requirement, and working conditions for a faster quotation.

Product Overview

Reliable custom rubber parts for industrial applications

Quick Answer

This rubber bellows dust boot with mounting flange combines a flexible multi-convolution bellows, a tapered cable-entry spigot, a rectangular four-hole flange and a metal lock nut. It is designed for protected cable, conduit and rod pass-throughs in automotive, industrial, marine and mobile-equipment panels. Custom dimensions and EPDM or CR compounds are available.

Product Overview

The rubber bellows dust boot with mounting flange is designed for applications where a cable, conduit or control rod passes through a structural panel while requiring flexible environmental protection. The molded assembly combines a multi-convolution bellows body, a tapered top exit spigot, a rectangular mounting flange and a metal lock nut. The ribbed bellows accommodates axial movement, angular displacement and vibration without concentrating stress at a single bending point. The spigot can be secured to the protected cable or conduit with a cable tie or clamp. The rectangular flange provides a stable panel interface with four corner mounting holes. Dimensions should be matched to the panel cutout and internal cable diameter.

Key Features

  • Multi-convolution rubber bellows body for controlled bending, compression and extension.
  • Rectangular mounting flange with four corner bolt holes for secure panel installation.
  • Tapered top exit spigot with circumferential retention groove for a cable tie or hose clamp.
  • Metal hex lock nut supports controlled clamping at the panel interface.
  • Suitable for cable, conduit and push-pull rod pass-through protection.
  • EPDM and CR (Chloroprene) rubber compound options available according to the application environment.
  • Custom flange dimensions, bore diameter, bellows length and spigot geometry can be reviewed.
  • Designed for automotive, industrial, marine, agricultural and mobile-equipment assemblies.

Product Specifications

SpecificationDetails
Product NameRubber Bellows Dust Boot with Rectangular Mounting Flange
MaterialEPDM or CR (Chloroprene), selected according to the application conditions
HardnessAvailable upon request
ColorBlack
Manufacturing ProcessRubber molding and hardware assembly
Flange StructureRectangular flange with four corner mounting holes
Flange MaterialSemi-rigid rubber or rubber-bonded plastic, depending on the required configuration
HardwareMetal hex lock nut; zinc-plated steel option available according to specification
Temperature RangeEPDM: -40°C to +120°C; CR: -40°C to +100°C
ApplicationFlexible panel pass-through sealing for cables, conduits and push-pull rods
CustomizationBellows length, compressed length, extended length, flange size, center bore, mounting holes, spigot dimensions, retention groove, rubber compound, Shore A hardness, hardware and packaging can be reviewed according to the drawing.
MOQContact us for details
ToolingTooling cost depends on the drawing and product structure
Sample AvailabilityAvailable upon request
Lead TimeAvailable upon request
Compliance OptionsAvailable upon request

Product Structure

Multi-Convolution Bellows Body

The flexible bellows body is designed to distribute bending and axial displacement across multiple ribs. This structure helps reduce localized stress when the protected cable, conduit or rod moves during operation. The number of convolutions, bellows length and movement range can be customized according to the assembly design.

Tapered Top Exit Spigot

The tapered exit spigot provides a transition between the bellows body and the protected cable or conduit. A circumferential groove can accommodate a cable tie or hose clamp. This helps secure the upper connection and reduce relative movement at the exit interface.

Rectangular Mounting Flange

The rectangular flange provides a stable attachment surface for installation on a panel, bulkhead or enclosure wall. Four corner mounting holes allow the boot to be secured with bolts. The center collar can be matched to the panel cutout to support positioning during assembly.

Hex Lock Nut

The metal hex lock nut supports panel-interface clamping and vibration-resistant installation. Hardware material and dimensions should be confirmed according to the panel thickness, mounting method and operating environment.

Applications

The rubber bellows dust boot with mounting flange can be used in automotive cabins, commercial vehicles, agricultural equipment, construction machinery, marine vessels, industrial enclosures and rail vehicles. Typical installation points include firewalls, floor panels, cab bulkheads, control-panel walls and structural partitions. The assembly can protect wiring harnesses, brake cables, gear-selector rods, clutch cables, control cables, pneumatic tubing and conduit at panel pass-through points. The bellows accommodates vibration and movement while the flange provides a stable mounting interface. The final compound and structure should be selected according to temperature, water exposure, ozone, UV, oil splash, mud, dust and cleaning conditions.

Customization Options

Custom rubber bellows boots with mounting flange can be developed according to a 2D drawing, 3D model or physical sample. Buyers can specify the panel cutout diameter, internal cable diameter, bellows length, compressed length, extended length, flange dimensions, mounting-hole positions, spigot OD, spigot ID, retention-groove geometry, rubber compound, Shore A hardness and hardware requirements. Material selection depends on the application conditions. Please provide the panel thickness, movement range, cable or rod diameter, operating temperature, contact media, required quantity and estimated annual volume. Tooling cost depends on the drawing and product structure.

What Information Should Buyers Provide for a Quote?

  • Product drawing or physical sample
  • Panel cutout dimensions
  • Panel thickness
  • Cable, conduit or rod diameter
  • Compressed length and extended length
  • Required movement range
  • Flange dimensions and mounting-hole positions
  • Rubber material
  • Shore A hardness
  • Operating temperature
  • Contact media
  • Application environment
  • Required quantity
  • Estimated annual volume
  • Compliance requirements
  • Packaging requirements

FAQ

What is a rubber bellows dust boot with mounting flange used for?

This component is used where a cable, conduit or push-pull rod passes through a panel while requiring flexible protection. The bellows accommodates movement and vibration. The flange provides a stable mounting interface around the panel cutout.

What panel cutout is required for installation?

The required panel cutout depends on the center bore and locating-collar dimensions. The rectangular flange overlaps the panel aperture and is secured through the corner mounting holes. Please provide the panel drawing and thickness so the interface can be reviewed.

What cable or conduit diameters are available?

The standard internal bore range is 12–50 mm. Larger bores or multi-cable bundle interfaces can be reviewed according to the application drawing. The spigot ID, retention groove and flange dimensions should be matched to the protected cable or conduit.

How should buyers select EPDM or CR material?

EPDM can be reviewed for applications requiring weather, ozone, water and UV resistance. CR can be evaluated where dynamic flexing, weather exposure and mild oil splash are relevant. Final material selection depends on the complete operating environment.

What ingress protection rating can the assembly achieve?

Ingress-protection performance depends on the complete installed assembly, including the flange contact surface, panel cutout, bolt clamping, upper spigot connection and any supplementary sealant. The required rating should be confirmed through validation of the final installation.

Are prototype samples available?

Prototype samples are available upon request. Sample planning depends on the bellows dimensions, flange structure, compound, hardware requirements, tooling status and quantity. Please send your panel drawing, cable dimensions or physical sample for technical review.

Request a Custom Quote

Send your panel drawing, 2D drawing, 3D model or physical sample for a technical review of your rubber bellows dust boot with mounting flange. Please include the cable or rod diameter, panel cutout, movement range, rubber requirements, operating environment, required quantity and estimated annual volume.

Technical Information

Product specifications

Final specifications depend on your drawing, sample, material selection, and working conditions.

Product Name Rubber Bellows Dust Boot with Rectangular Mounting Flange
Size / Dimensions Custom
Material EPDM or CR (Chloroprene)
Application / Use Case Suitable for cable, conduit and push-pull rod pass-throughs in firewalls, floor panels, cab bulkheads, marine bulkheads and industrial enclosure walls. The final design should be confirmed according to the panel cutout, movement range and operating environment.
Customization Available by drawing, sample, dimensions, application requirements, material requirements, and working conditions.

Manufacturing Support

From drawing review to export delivery

Julong Rubber supports custom rubber product projects from material selection and tooling to sampling, inspection, packaging, and international shipment.

Drawing or Sample Based

Production can be developed from 2D drawings, 3D files, physical samples, or application requirements.

Material Selection

We help compare rubber materials according to temperature, oil, weather, compression, load, and chemical exposure.

Tooling and Sampling

Tooling, first samples, adjustment, and pilot production can be arranged before mass production.

Quality Control

Dimensional inspection, hardness checks, visual inspection, packaging review, and batch control support.

FAQ

Common questions

These answers help purchasing teams and engineers confirm whether the product fits their project before sending an RFQ.

Can you manufacture this product based on my drawing or sample?

Yes. Julong Rubber supports OEM and ODM production based on 2D drawings, 3D files, physical samples, and real application requirements.

Can the size, material, hardness, and color be customized?

Yes. Size, material, hardness, color, structure, surface finish, and packaging can be customized according to your working conditions and order requirements.

What information should I send for quotation?

Please send drawings or sample photos, dimensions, material requirements, quantity, application, tolerance, working environment, and any compliance requirements.

Do you support sample production before mass order?

Yes. Sample production and pilot orders can be arranged after tooling or process confirmation, depending on the product structure and project requirements.

Start Your Custom Rubber Project

Need Rubber Bellows Dust Boot with Rectangular Mounting Flange for your application?

Send us your drawing, sample, target quantity, and working conditions. Our team will help review material, tooling, production process, and quotation details.

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