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Knobs Metric

 (17 product groups)

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3 Arm Prong Knobs

3-arm prong knobs are among the most common type of lobed knob, allowing easy access even with thick gloves on for small adjustments to equipment and workpieces across industries.

Find inch and metric 3-lobed knobs at Reid Supply in both female and male thread inserts of a variety of materials, including plastic, stainless steel, and brass insert threading in Reid Supply’s online catalog.

4 Arm Prong Knobs

Lobed knobs, also called clamping knobs, have a scalloped edge with four grip points to allow for maximum grip and comfort, even while wearing gloves.

These durable lobed knobs are impact- and chemical-resistant and provide a neat appearance for finished applications that require precision adjustments.

Reid Supply has a wide range of 4-lobed knobs, from plastic knobs to stainless steel and iron in a variety of thread sizes and mounting types.

Learn more about what solutions exist for your application in our article on selecting the right knobs and handles.

6 Arm Prong Knobs

6-lobed prong knobs provide a symmetrical grip across a variety of materials for customizing clamping and manual adjustment of workpieces or equipment.

Our 6-arm prong knobs come in steel, aluminum, plastic, and with a variety of insert threading materials, from brass to steel.

Find the inch or metric size you need for your lobed knob needs online today.

Learn more about the differences between types of lobed knobs by visiting our knowledge center and reading how to Select the Right Knobs and Handles.

7 Arm Prong Knobs

Utilizing shallow lobes, 7-arm prong knobs provide grip with both male and female threaded inserts made from high-durability brass or steel.

We carry both inch and metric sizes for hand-turn knobs with 7 lobes with plastic, steel, and other grip materials for compliance with the demands of your unique application.

Learn more about knob and handle materials in our knowledge center, or download our Knobs, Handles and Handwheels Engineer Guide.

8 Arm Prong Knobs

8-arm prong knobs by DimcoGray are many manufacturers' standard control knobs for tightening and adjustment applications that can be customized to nearly any thread size and application environment.

Applications include securing two workpieces together, providing end-use functionality, and providing an ergonomic way to transfer force into a workpiece.

Shop our complete selection of plastic and steel 8-lobed knobs online by visiting our collection of digital catalogs today.

Ball Knobs

Ball knobs can be used to simply grip an appliance or provide ergonomic clamping pressure in a variety of ways. Ball knobs are commonly found on machine tools, jigs, fixtures, and control levers, or used as replacement parts to have on hand.

Our ball knobs come in a variety of shapes and materials from leading suppliers of industrial knobs, including DimcoGray, Elesa, and Kipp.

Shop for ball knobs online or in our digital catalog to ensure you get the exact part you’re after.

Bar Knobs

Industrial-strength bar knobs can be tightened by hand and further secured by inserting a bar between the four prongs for leverage in heavy clamping applications.

These bar knobs are constructed of malleable iron and available in blank, reamed, or tapped styles. They are ideally used in areas where high pressure is needed and a lever or other clamping device doesn’t fit.

We carry bar knobs in 3/4 inch and 7/8 inch sizes. Find out if bar knobs are right for your application by reading about other knob materials and applications in our knowledge center.

Clamping Knobs

Control Knobs with Markings are ideal on applications that require fine, precise position adjustments. These knobs are designed with an ergonomically shaped knurled rim and indicator mark for accurate setting and adjustment.Control Knobs with Arrows are ideal on applications that require fine, precise position adjustments. These knobs are designed with an ergonomically shaped knurled rim and easily legible laser engraved arrow for accurate setting and adjustment.

Control Knobs

Industrial control knobs come with precise indicator markings and are ideal for applications that require fine, precise position adjustments with manual operation.

These knobs are designed with an ergonomically shaped knurled rim and indicator mark for accurate setting and adjustment.

We carry standard 1/2 inch control knobs in various shapes and pointer styles for your ideal use case.

Learn more about the many types of industrial knobs available through Reid Supply by reading our free Knob Guide.

Knurled Knobs

Knurling comes in a variety of patterns depending on the application of the knobs you need to help clamp or adjust tools across a variety of workspaces.

Knurled knobs in vertical or diamond patterns increase grip ability, which makes it ideal for scenarios where grip may not be guaranteed due to contact with water or lubricants.

There are many types of knobs that use knurling. Explore all your options for materials and types of knobs by downloading our Guide to Knobs and Handles e-book.

Shop industry-leading DimcoGray knurled knobs of all shapes and patterns at Reid Supply.

You can learn more about the types of knurling available across knobs and handles by reading our article on common knurling types.

Lobed Knobs

Sometimes referred to as fluted knobs, lobed knobs with 10 lobes bridge a valuable gap between lobed knobs and knurled knobs by bringing wider grips than a typical knurled knob, while increasing the number of lobes over much wider gaps in knobs with fewer lobes.

They are ideal in setups where a "soft" grip is desired for hand cranking on equipment or workpieces.

Not sure whether a knob or handle is appropriate for your setup?

Check out our Engineer Guide to Knobs, Handles, and Handwheels to find the material and style of knob or handle that works best for your project’s specifications.

Push Pull Knobs

Concave push-pull knobs feature tapered shanks and an enlarged head to provide good finger clearance and an excellent grasp for pulling or lifting across a variety of specific shapes.

The concave top is more comfortable in applications that use a thumb push operation. The convex top has a smooth shape and fits comfortably into the operator’s palm for an easy grip.

We carry a large supply of push-pull knobs by manufacturers like Kipp and DimcoGray for use in all types of industrial and manufacturing applications in both inch and metric dimensions.

Shop our entire catalog of push-pull knobs online or learn more about which type of knob is right for you by reading our article on Selecting the Right Knobs and Handles.

Star Knobs

Star knobs, or 5-lobed knobs, are a common sight in manufacturing environments as well as end products in a variety of industries.

We carry a wide variety of star knobs in heavy-duty materials such as cast iron, steel, and plastic with multiple types of insert material.

Shop manufacturers of industry-leading knobs such as Rogan, Elesa, and Kipp online right now or read more about lobed knobs in our downloadable guide to knobs.

T Handle Knobs

Our T-handle knobs have steel studs that easily fit into either male- or female-threaded applications, creating an easily gripped knob or handle with an ergonomic design.

The T-handle design provides a strong handhold for quickly adjusting controls or as a kind of lever to open and close equipment.

Shop Reid Select’s complete supply of T knobs online today or call our team to order the specific part you’re looking for.

T-handle knobs can also be used for clamping applications if needed. We carry both inch and metric T-handle knobs in a variety of materials and sizes.

Learn what makes T-handle knobs ideal for certain applications in our article on Knob Materials, Applications, and Types.

Tapered Knobs

Tapered knobs are commonly found on machine tools, jigs, fixtures, and control levers, sometimes preferred due to the shape of the apparatus or end products.

Tapered knobs come in female and male threaded insert as well as press-on applications. We carry knobs by DimcoGray, Kipp, and Rogan so you can always find exactly the product you're looking for.

Reid Supply has a complete library of industrial tapered knobs, including these styles:


Learn more about the different types of knobs available for your project’s specifications by reading our article on Selecting the Right Knobs and Handles.

Thumb Screw Knobs

Thumb screw knobs can be press-fit onto screws to create a small knob for clamping or securing quickly and easily with just the thumb and forefinger.

The wide variety of thumb screw knobs we supply can be used with any length screw and come in a variety of knurling patterns or wing-tip designs. They are ideal for applications where space is restricted and fastening with a tool is not possible.

We carry thumb screws in a variety of styles, including:


The versatility of thumb screw knobs extends to overlapping styles, including knurled lobed and many others. Browse our online catalog to see every style, size, and application type of thumb screw knob available with the quickest lead times.

Wing Knobs

Wing knobs are designed to give good leverage with minimal grip strength, making them ideal for applications that require frequent tightening and loosening, or in more precision applications.

These knobs do not require tools and can be easily adjusted using only a thumb and forefinger, similar to thumb screw knobs, but with an added arm.

We carry wing knobs in a wide variety of thread sizes from 1-inch wing knobs to 3-inch wing knobs, ensuring you'll find exactly what you need by the manufacturer you trust.