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Thermoplastic Control Knob Manufacturer

Many OEMs in automotive, aerospace, electronics, and machinery industries face challenges sourcing a thermoplastic control knob manufacturer that can deliver the precision, durability, and reliability their equipment requires. Inferior knobs can lead to inconsistent performance, increased downtime, and higher maintenance costs.

DimcoGray meets this need as a trusted thermoplastic control knob manufacturer, producing high-performance instrument and control knobs engineered for accuracy, long-lasting durability, and ease of use. With more than 85 years of manufacturing expertise, we provide both standard and custom solutions tailored to your exact equipment specifications and operational requirements.

High-Quality Instrument and Control Knobs

Our instrument and control knobs are engineered for ergonomic handling and precise adjustment. Whether the application calls for smooth directional movement for audio controls, dependable performance in heavy equipment, or reliable adjustment in sensitive electronics, DimcoGray delivers components that perform consistently over years of use.

We offer an extensive selection of shapes, sizes, and mounting configurations, along with the ability to customize features to your exact specifications. From volume and potentiometer knobs to specialized controls for industrial machinery, our products meet stringent quality standards for both indoor and outdoor applications.

Have any questions? Contact us here!

custom hydraulic control knob

Custom Molding Services – A Key DimcoGray Differentiator

Beyond our extensive catalog, DimcoGray’s custom molding services allow OEMs to develop application-specific control knobs that meet unique design, performance, and branding requirements. Our in-house engineering and manufacturing teams work closely with clients to design molds, select optimal materials, and produce finished parts that align with both functional and aesthetic goals.

Our custom molding capabilities include:

  • Thermoplastic and phenolic molding
  • Custom colors, textures, and finishes
  • Integration of logos or special markings
  • Insert molding for threaded and non-threaded metal components
  • Rapid prototyping for faster development cycles

With DimcoGray’s custom molding services, customers can reduce their supplier base, streamline procurement, and ensure consistency across product lines.

Common Applications for DimcoGray Control Knobs

Our knobs are used across a wide variety of industries and functions, including:

  • Appliance control knobs
  • Dental equipment knobs
  • Electrical control knobs
  • Instrument control knobs
  • Medical device knobs
  • Volume control knobs
  • Audio gear knobs
  • Guitar knobs
  • Potentiometer knobs

Materials for Inserts

Our company also provides different material options for the insert on our control knobs products including:

Materials for Control Knobs

We manufacture control knobs using a range of materials to suit application-specific requirements:

  • Thermoplastic
  • Phenolic
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Flexible Manufacturing and OEM Partner Programs

DimcoGray is committed to supporting OEMs with manufacturing programs designed to reduce lead times and inventory costs. Our capabilities as a thermoplastic control knob manufacturer include:

  • Just-in-time (JIT) delivery programs
  • Vendor-managed inventory (VMI)
  • EDI integration for streamlined ordering
  • Flexible scheduling to match production timelines
  • Single-source purchasing for knobs and handles

These programs help our partners maintain efficiency, improve supply chain reliability, and focus on their core business while we ensure a steady supply of high-quality components.

Get a Quote for Your Control Knob Needs

DimcoGray is ready to support your next project with high-performance thermoplastic or phenolic control knobs, along with complete custom molding capabilities. Contact us today to discuss your requirements and learn how we can become your long-term manufacturing partner

Request a Quote to begin a partnership that improves your product performance and reduces your operational costs.

How to Measure 

DimcoGray offers control knob handles in a variety of shapes and sizes. When determining the size t-handle you need for your project, please reference the line drawing provided to determine the handle that is right for you! If you have any questions about how we measure our knobs and handles, please feel free to reach out. 

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Control Knob Handle Manufacturer

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Contact Information

900 Dimco Way
Centerville, Ohio 45458

937 433 7600

937-433-9545