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Control Knobs

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About Control Knobs

Control knobs are used for the control or adjustment of electronic or electrical devices.  Control knobs are referred to as instrument knobs, electronic knobs, or electrical knobs.  These knobs are used for fine adjustment of a variety of electronic devices including potentiometers, pushbutton switches, and rotary switches.  Control knobs are available in a variety of materials, colors, and finishes.  Some electronic knobs may be customized with printed logos or raised type.

The most important specification to consider when searching for control knobs is the bore diameter.  The bore diameter is the bore diameter or outside diameter of the insert, stud, or hole.  Mounting types available for control knobs include bushings, collets, molded threads, push-on or plain hole, stud, threaded hole or insert, and thru hole with counter bore.  A bushing is inserted in the bore to limit the size of the opening, resist abrasion, or serve as a guide.  A collet is a knob that is made up of an outer body and internal hardware; the hardware grips the shaft 360º to insure a secure fit.  This type of knob must be installed with a nut driver and requires a separate cap on top.  A molded thread mounting knob has a thread molded into the bore opening.  A push-on or plain hole knob simply has a hole as the bore.  A projecting stud can be used for mounting.  The stud is usually threaded.  A threaded hole insert knob has a bore opening that is threaded, or a threaded insert inserted into a plain hole.  In a thru hole with counter bore type mounting the mounting hole extends through the height of the knob or handle and is accompanied by a counter bore on top.  Materials of construction include metal, plastic, or rubber.

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Products & Services Related to Control Knobs

Industrial Handles and Industrial Pulls
Industrial handles and industrial pulls are hardware components that are grasped by hand and manipulated to perform a service.
Industrial Knobs
Industrial knobs are small, usually round, devices that are designed for use on industrial machinery, electronic components, and metal cabinetry. They are usually made out of metal, plastic, or rubber and are available in a variety of sizes, colors, and finishes.

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Engineering Web: Control Knobs

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Control Knobs Information | Business.com
Control Knobs Home » Sponsored Links Plastic Knobs Mfg OEM Specialists, Low Price assured Steel, Stainless, Plastic, Aluminum www.askmonroe.com
See Business.com, Inc. Information
Plastic Control Knobs Built To Your Specifications
Control Knobs Round Control Pointer Control
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Part Numbers for Control Knobs

Part # Distributor Manufacturer Product Category Description
KHF1250A1/4 Digi-Key APEM Components Hardware, Fasteners, Accessories CONTROL KNOB
420124A1/4 Digi-Key APEM Components Hardware, Fasteners, Accessories CONTROL KNOB
420111B1/4 Digi-Key APEM Components Hardware, Fasteners, Accessories CONTROL KNOB
420061B1/4 Digi-Key APEM Components Hardware, Fasteners, Accessories CONTROL KNOB
KN1250AB1/4 Digi-Key APEM Components Hardware, Fasteners, Accessories CONTROL KNOB

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