Thermoset Fluted Knob Manufacturer
Custom thermoset fluted knobs provide a comfortable, sure grip regardless of your application. Designed for moderate torque applications, small and large custom fluted plastic knobs are used in everything from mowers and exercise equipment to light stands to provide precise clamping and adjustments.
An Appropriate Fluted Knob for the Task
As a thermoset and pehnolic fluted knob manufacturer, DimcoGray is widely recognized for delivering quality knobs for mechanical controls, farm and construction machinery, food processing and furniture OEM requirements. 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.
DimcoGray plastic fluted knobs are integral components in mechanical controls and equipment produced by some of the world's largest OEMs. Our thermoset knobs can be found in applications ranging from production process control to hydraulic system regulation for motion control.
Delivering a solution at DimcoGray means much more than finding the fluted knob you need for your particular application. We develop relationships that reduce costs and enhance your operational performance. Our equipment 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 95 years. Our equipment knobs are ideal for any environment while still meeting the ergonomic needs for human-machine interface. DimcoGray supplies equipment knobs for nearly every foreseeable application.
DimcoGray not only provides the right knobs for your applications, but we also deliver business solutions that go beyond product availability and price.

Fluted Round Knobs
You can select the desired shape and size custom fluted 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 equipment knob assembly.
Product Catalog
DimcoGray’s vast selection of handles and knobs are integral components used in equipment produced by some of the world’s largest OEMs in a variety of industries. As a fluted and octagonal plastic knob manufacturer, our expertise in producing high-quality plastic knobs and plastic handles is the reason our customers depend on us for the most challenging projects.
More About Custom Molding Orders
DimcoGray has been in the business of molding plastics since 1924. Our reputation of providing an extensive line of quality knobs and handles is synonymous with the DimcoGray name... and still is today.
Materials for Fluted Knobs
DimcoGray’s fluted and octagonal plastic knobs can be manufactured in the material you need for your application. We provide our different types of fluted knobs in the following materials:
- Thermoplastic
- Phenolic
Materials for Inserts
Our company also provides different material options for the insert on our fluted knobs products including:
- Brass Insert
- Brass Threaded Insert
- Zinc Stud
- Brass Bushing - Non Threaded
How to Measure
DimcoGray offers fluted round knob handles in a variety of shapes and sizes. When determining the size fluted round knob handles 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.
