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Plastic Instrument & Control Knob Manufacturer

Our mechanical instrument knobs are perfect for applications that require directional movements (up, down, right, left). DimcoGray instrument knobs are easy to grip and easy to rotate, making them integral components in mechanical controls and equipment produced by some of the world's largest OEMs.

DimcoGray Knows Industrial Knobs

As custom plastic control knob suppliers for medical equipment, farm, and construction machinery, and other industry OEMs, DimcoGray is widely recognized for delivering quality mechanical instrument knobs in a multitude of industries. We know that quality is assumed in today's competitive global environment, which is why DimcoGray has transformed its business to go beyond the expected.

Delivering a solution at DimcoGray means much more than finding the custom hydraulic control knobs you need. We develop relationships that reduce costs and enhance your operational performance. Our knob specialists can help you reduce your supplier base, manage inventory and lower your overall costs by developing a supplier partnership specific to your needs.

Our business is constantly evolving to help customers manage their bottom line, and we are committed to producing reliable, durable products that have made DimcoGray well-known throughout the industry for more than 85 years. Our industrial knobs are ideal for both indoor and outdoor applications while still meeting the ergonomic needs for human-machine interface. DimcoGray supplies industrial knobs for nearly every foreseeable application.

Common Applications for Control Knobs

  • Appliance Control Knobs
  • Dental Control Knobs
  • Electrical Control Knobs
  • Instrument Control Knobs
  • Medical Control Knobs
  • Volume Control Knobs
  • Audio Gear Knobs
  • Guitar Knobs
  • Potentiometer Knobs
  • And more!

You can purchase the instrument knobs for your application from a number of sources. Only DimcoGray delivers business solutions that go beyond product availability and price.

Have any questions? Contact us here!

custom hydraulic control knob

Popular Instrument Knobs

You can select the desired shape and size industrial knob to download a basic part drawing. Specify attachment type and method as well as thread type and size (if applicable) to access detailed CAD drawings for use in your industrial knob assembly.

View All Instrument Knobs

Flexible Partner Programs to OEMs

Flexible manufacturing processes, innovative inventory management programs and industry-leading customer service make DimcoGray an ideal partner for industry equipment OEMs. On-time delivery of knobs and handles and the ability to meet short lead times are absolute requirements for many of our OEM equipment partners. That is why we have focused on creating customer-specific programs that ensure timely delivery while positively impacting the bottom line. Our partnership programs provide flexible scheduling of knob and handle deliveries, varying order quantity capability, reduced inventory costs, and reduced supplier base.

DimcoGray offers customer-specific programs that address these challenges. A partnership with DimcoGray means you can benefit from:

  • Single-source purchasing programs for all your knobs and handles
  • JIT delivery programs
  • Vendor-managed inventory programs
  • EDI

Materials for Control Knobs

DimcoGray’s control knobs can be manufactured in the material you need for your application. We provide our different types of control knobs in the following materials:

  • Thermoplastic
  • Phenolic

Materials for Inserts

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

  • Brass Insert
  • Brass Threaded Insert
  • Zinc Stud
  • Brass Bushing - Non Threaded

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