Knobs

Image Part Number Description / PDF Quantity Rfq
6310055

6310055

J.W. Winco

PLASTIC WING SCREW, STEEL STUD

200

8TVC5

8TVC5

J.W. Winco

FIVE-LOBED KNOB, PLASTIC

29

ML-90-2-5

ML-90-2-5

Kilo International

KNOB SMOOTH 0.250" METAL

38

KNH5-HEXRT5----

KNH5-HEXRT5----

Richco, Inc. (Essentra Components)

SELF-ASSEMBLY 3 ARM KNOB 2.000 I

900

5337.2-40-M8-35-DBL

5337.2-40-M8-35-DBL

J.W. Winco

FIVE-LOBED KNOB, PLASTIC

30

1900-Y

1900-Y

Davies Molding, LLC.

KNOB SERRATED 0.125" PHENOLIC

197

5337-70-M12-D

5337-70-M12-D

J.W. Winco

FIVE-LOBED KNOB, PLASTIC

30

OEJL-63-1-6

OEJL-63-1-6

Kilo International

KNOB KNURLED 0.125" METAL

20

12MF45/A

12MF45/A

J.W. Winco

STEEL KNURLED NUT, THRU BORE

30

KN6C----T5-B-21

KN6C----T5-B-21

Richco, Inc. (Essentra Components)

CLAMPING T HANDLE KNOB 2.000 IN

600

SC-63-4-6

SC-63-4-6

Kilo International

KNOB KNURLED W/SKRT 0.125" METAL

0

KN4C----T1AB-21

KN4C----T1AB-21

Richco, Inc. (Essentra Components)

CLAMPING T HANDLE KNOB 1.160 IN

910

KN6C1500RT5--21

KN6C1500RT5--21

Richco, Inc. (Essentra Components)

CLAMPING 3 ARM KNOB 2.000 IN DIA

0

OESA-63-3-5

OESA-63-3-5

Kilo International

KNOB KNURLED W/SKRT 0.250" METAL

0

504-0007

504-0007

NTE Electronics, Inc.

DD-75-1-6 KNOB .750X.125

20

KN5C0750TR6--21

KN5C0750TR6--21

Richco, Inc. (Essentra Components)

CLAMPING T HANDLE KNOB 2.250 IN

500

OEDNI-50-4-5

OEDNI-50-4-5

Kilo International

KNOB KNURLED 0.250" METAL

0

5337.2-32-M5-E-DSW

5337.2-32-M5-E-DSW

J.W. Winco

FIVE-LOBED KNOB, PLASTIC

30

KN0205004S2-S21

KN0205004S2-S21

Richco, Inc. (Essentra Components)

CLAMPING 4 ARM KNOB 1.400 IN DIA

500

JD-75-4-6

JD-75-4-6

Kilo International

KNOB KNURLED 0.125" METAL

86

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