| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Davies Molding, LLC. |
KNOB SMOOTH #10-32 PLASTIC |
4007 |
|
 |
Davies Molding, LLC. |
18.5MM M4X0.7-6H THERMOSET BALL |
100 |
|
 |
Davies Molding, LLC. |
KNOB SMOOTH THERMOPLASTIC |
108 |
|
 |
Davies Molding, LLC. |
KNOB 3 ARM THERMOSET POLYESTER |
200 |
|
 |
Davies Molding, LLC. |
KNOB FLUTED W/SKIRT 0.250" PHEN |
49 |
|
 |
Davies Molding, LLC. |
KNOB SERRATED 0.253" POLYPRO |
0 |
|
 |
Davies Molding, LLC. |
KNOB SMOOTH 0.250" PLASTIC |
6998 |
|
 |
Davies Molding, LLC. |
KNOB KNURLED, STRAIGHT PHENOLIC |
100 |
|
 |
Davies Molding, LLC. |
KNOB FLUTED THERMOSET POLYESTER |
100 |
|
 |
Davies Molding, LLC. |
KNOB FLUTED W/SKIRT 0.200" PLAST |
577 |
|
 |
Davies Molding, LLC. |
KNOB SMOOTH 1/4"-20 PLASTIC |
89 |
|
 |
Davies Molding, LLC. |
KNOB KNURLED W/SKIRT 0.253" PHEN |
0 |
|
 |
Davies Molding, LLC. |
KNOB SMOOTH 5/16"-18 PLASTIC |
136 |
|
 |
Davies Molding, LLC. |
KNOB 3 ARM 1/4"-20 PLASTIC |
629 |
|
 |
Davies Molding, LLC. |
KNOB FLUTED THERMOSET POLYESTER |
109 |
|
 |
Davies Molding, LLC. |
KNOB SMOOTH 5/16"-18 POLYPRO |
0 |
|
 |
Davies Molding, LLC. |
KNOB FLUTED W/SKIRT 0.250" PLAST |
183 |
|
 |
Davies Molding, LLC. |
KNOB 3 ARM 5/16"-18 PLASTIC |
0 |
|
 |
Davies Molding, LLC. |
KNOB SMOOTH 0.253" PLASTIC |
503 |
|
 |
Davies Molding, LLC. |
KNOB SMOOTH M8 X 1.25 PHENOLIC |
200 |
|
Knobs are mechanical components designed for manual adjustment, control, or fixation of devices and equipment. As critical elements in hardware systems, they provide user interfaces for torque transmission, positional adjustment, and functional control. Modern knob designs integrate ergonomic principles, material science, and precision engineering to ensure reliable performance across industrial, commercial, and consumer applications.
| Type | Functional Characteristics | Application Examples |
|---|---|---|
| Wing Screws | Hand-adjustable fastening with wing-shaped heads | Panel fastening in electronics enclosures |
| Dial Knobs | Precision adjustment with graduated scales | Lab equipment and audio mixers |
| Keyed Locknuts | Security-focused design with key-operated adjustment | Machinery calibration systems |
| Pull-to-Release Knobs | Integrated locking mechanism with axial release | Industrial control panels |
Typical knob assemblies consist of: - Body: Formed from metal alloys (aluminum, brass) or engineered plastics (nylon, polycarbonate) - Threaded Insert: Brass or stainless steel internal threads for secure mounting - Retention Feature: Knurling, splines, or set screws for shaft coupling - Surface Treatment: Anodizing, powder coating, or electroplating for corrosion resistance
| Parameter | Significance |
|---|---|
| Material Hardness (Shore/Brinell) | Determines wear resistance and load capacity |
| Thread Engagement Depth | Affects axial load transmission efficiency |
| Maximum Torque Rating (Nm) | Critical for rotational force transmission |
| Temperature Resistance Range | Defines operational limits in extreme environments |
| Surface Friction Coefficient | Impacts tactile feedback and slip resistance |
| Manufacturer | Product Series | Key Features |
|---|---|---|
| Misumi | KA2000 Series | Modular design with 12-position indexing |
| Knobs-R-Us | ProGrip XT | Ergonomic thermoplastic elastomer coating |
| Eclipse Industrial | Aluminum Anodized Line | MIL-STD-810G environmental compliance |
Key consideration factors: - Environmental conditions (temperature, chemical exposure) - Required torque transmission capacity - Mounting shaft geometry compatibility - Regulatory compliance (REACH, RoHS) - Aesthetic requirements for user interface
Current development directions include: - Integration of smart materials with self-lubricating properties - Miniaturization for semiconductor manufacturing equipment - Haptic feedback enhancement through surface micro-texturing - Adoption of additive manufacturing for complex geometries - Increased use of corrosion-resistant polymer composites