This Product Selection Guide contains information to help select products in the Knobs category on DigiKey.com
Knobs are accessory attachments that provide visual and tactile features for HMI (Human-Machine Interface) controls or mechanical advantage and grip for adjustable fasteners. Knobs used for HMI interfaces such as rotary switches or potentiometers may be color-coded, numbered, or include indicators such as arrows, dots, lines, and notches. They are selected by style, type, shaft size, diameter, material, and specific features.
SelectionCharacteristics
Style: Indicates the physical configuration of the knob.
Type: Indicates the number of arms or other physical features of the knob such as fluted, ribbed, or smooth.
Shaft Size: Indicates the shaft diameter or screw thread with which a knob is intended for use.
Diameter: Indicates the diameter of the knob and skirt if applicable.
Height: Indicates how far the device will extend above the surface to which it has been attached.
Indicator: Describes style and location of features that provide a visible indication of knob orientation.
Material: Indicates the material composition of the device.
Color: The dominant color of the device.
Features: These are different capabilities or properties of the device such as a set screw or locking clip.
ProductExamples
| MFR PART # | 8554 |
|---|---|
| DIGI-KEY PART # | 36-8554-ND |
| MANUFACTURER | Keystone Electronics |
| DESCRIPTION | KNOB KNURLED 0.125" PLAST |
| DATASHEET | Click Here |
| MFR PART # | 11K5013-KCNB |
|---|---|
| DIGI-KEY PART # | GH7627-ND |
| MANUFACTURER | Grayhill Inc. |
| DESCRIPTION | KNOB SMOOTH 0.250" PLASTIC |
| DATASHEET | Click Here |
| MFR PART # | 1214BE |
|---|---|
| DIGI-KEY PART # | 1722-1112-ND |
| MANUFACTURER | Davies Molding, LLC |
| DESCRIPTION | KNOB 0.250" PHENOLIC |
| DATASHEET | Click Here |
| MFR PART # | PKS1105B101/4 |
|---|---|
| DIGI-KEY PART # | 450-1748-ND |
| MANUFACTURER | TE Connectivity ALCOSWITCH Switches |
| DESCRIPTION | KNOB KNURLED W/SKRT 0.250" PLAST |
| DATASHEET | Click Here |