Knobs

Image Part Number Description / PDF Quantity Rfq
3090EP

3090EP

Davies Molding, LLC.

KNOB SMOOTH THERMOSET POLYESTER

118

2720-L

2720-L

Davies Molding, LLC.

KNOB KNURLED #8-32 PHENOLIC

250

3009-U

3009-U

Davies Molding, LLC.

KNOB FLUTED 1/4"-20 PLASTIC

278

3040KF

3040KF

Davies Molding, LLC.

KNOB 3 ARM THERMOSET POLYESTER

100

1300-H

1300-H

Davies Molding, LLC.

KNOB KNURL 0.157 X 0.039" THERMO

297

0030AB

0030AB

Davies Molding, LLC.

KNOB SMOOTH 1/4"-20 PHENOLIC

250

3050FR

3050FR

Davies Molding, LLC.

KNOB KNURLED THERMOSET POLYESTER

100

3022-F

3022-F

Davies Molding, LLC.

KNOB 3 ARM #10-32 PLASTIC

0

1237-K

1237-K

Davies Molding, LLC.

KNOB SERRATED PLASTIC

466

3065EN

3065EN

Davies Molding, LLC.

KNOB KNURLED THERMOSET POLYESTER

115

3025GL

3025GL

Davies Molding, LLC.

29MM M6 THERMOSET THREE ARM CLAM

118

1475AN

1475AN

Davies Molding, LLC.

KNOB KNURLED W/SKIRT 0.125" PHEN

445

1231-K

1231-K

Davies Molding, LLC.

KNOB SERR W/SKIRT 0.250" PLASTIC

244

1230-F

1230-F

Davies Molding, LLC.

KNOB SERRATED 0.250" POLYPRO

0

1450-A

1450-A

Davies Molding, LLC.

KNOB KNURLED 0.250" PHENOLIC

437

1910-G

1910-G

Davies Molding, LLC.

KNOB FLUTED W/SKIRT 0.187" PHEN

0

0033AH

0033AH

Davies Molding, LLC.

KNOB SMOOTH M8 X 1.25 PHENOLIC

192

3022-B

3022-B

Davies Molding, LLC.

KNOB 3 ARM #10-32 PLASTIC

1

2820CR

2820CR

Davies Molding, LLC.

KNOB 4 ARM THERMOSET POLYESTER

190

3050-B

3050-B

Davies Molding, LLC.

KNOB KNURLED 3/8"-16 PLASTIC

384

Knobs

1. Overview

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.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Wing ScrewsHand-adjustable fastening with wing-shaped headsPanel fastening in electronics enclosures
Dial KnobsPrecision adjustment with graduated scalesLab equipment and audio mixers
Keyed LocknutsSecurity-focused design with key-operated adjustmentMachinery calibration systems
Pull-to-Release KnobsIntegrated locking mechanism with axial releaseIndustrial control panels

3. Structure and Composition

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

4. Key Technical Specifications

ParameterSignificance
Material Hardness (Shore/Brinell)Determines wear resistance and load capacity
Thread Engagement DepthAffects axial load transmission efficiency
Maximum Torque Rating (Nm)Critical for rotational force transmission
Temperature Resistance RangeDefines operational limits in extreme environments
Surface Friction CoefficientImpacts tactile feedback and slip resistance

5. Application Fields

  • Industrial Machinery: CNC machine controls, conveyor belt tensioners
  • Electronics: Audio equipment attenuators, test instrument selectors
  • Automotive: HVAC control knobs, seat adjustment mechanisms
  • Aerospace: Cockpit instrumentation controls, avionics panel fasteners
  • Medical Devices: Diagnostic equipment parameter adjusters

6. Leading Manufacturers and Products

ManufacturerProduct SeriesKey Features
MisumiKA2000 SeriesModular design with 12-position indexing
Knobs-R-UsProGrip XTErgonomic thermoplastic elastomer coating
Eclipse IndustrialAluminum Anodized Line MIL-STD-810G environmental compliance

7. Selection Guidelines

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

8. Industry Trends

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

RFQ BOM Call Skype Email
Top