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Knob Screws(Round Shape, Type:Volume Knob Shape)

Knob Screws are utilized in various applications to enable manual control, adjustment, or fastening in a wide range of applications. They have widespread applications across diverse industries such as in automation systems. In various manufacturing industries, for example, food and pharmaceutical industries, and electronics industries.
When selecting a Knobs Screws, it is crucial to consider factors, including size, shape (eg., round, mushroom, ball, T- shaped and polygon shape), material (eg., plastic, stainless steel, aluminum and so on.) and mounting type for example threaded and tapped. These considerations are crucial for ensuring the production of high-quality products. We highly recommend reputable brands such as MISUMI, ESCO and KONISHI, as well as cost-effective options from MISUMI ECONOMY.
Take advantage of the convenience of FREE SHIPPING and NO MINIMUM ORDER on knob screw. Should you have any doubts or require assistance in choosing the right product, our experts are readily available to provide advice and guidance.
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  • You can add up to 6 items per a category to the compare list.
    Sale
    Metal Knob_EAT
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Metal Knob_EAT

    NBK

    [Features]
    · Aluminum alloy, alumite treated.
    - The symbol mark is attached.
    From: ฿ 221.73
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Aluminum Control Knob_ECY
    Until 31/03/2025
    Aluminum Control Knob_ECY
    Aluminum Control Knob_ECY
    Aluminum Control Knob_ECY

    Sale
    Until 31/03/2025

    Aluminum Control Knob_ECY

    NBK

    Reaming holes that are finished. Hexagon socket set screws for attaching to all products are included.
    From: ฿ 540.28
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Pure Touch Knob _EBP
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Pure Touch Knob _EBP

    NBK

    Rubber double molded on the surface of a plastic body. Soft touch. Beautiful matte control knob.
    From: ฿ 324.61
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Indicator Knob (INK)
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Indicator Knob (INK)

    IMAO CORPORATION

    [Features]·Indicator knob with enlarged arrow to make it easier to see.
    From: ฿ 418.21
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Control Knob M8803

    Control Knob M8803

    KONISHI

    [Features]·Volume knob. [Materials]·Made of Aluminum.
    From: ฿ 466.22
    Days to Ship: day to ship 3 Day(s)
    day to ship 3 Day(s)
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    Sale
    Control Knob M8806
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Control Knob M8806

    KONISHI

    Volume knob made of phenolic resin.
    [Features]
    · Made from phenolic resin.
    · Operating temperature: -20 to +110°C.
    [Applications]
    · Can be used for rotation of the mounting shaft.
    From: ฿ 146.09
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Push-In Rubber Nut

    Push-In Rubber Nut

    MITSUBOSHI CI

    [Features]
    · A nut that can be fastened without tools. It can be fastened either by hand-turning, or by being pushed on using the push mechanism.
    · Easy to fasten and won't come off easily.
    · Can also be used as a protective cap for fastened hex nuts. Resistant to vibration, making it useful for nut drop-out prevention as well.

    [Applications]
    · As a substitute (weight reduction) for SUS/iron nuts.

    [Resin Used]
    · Olefin-based elastomer resin
    From: ฿ 40.69
    Days to Ship: day to ship 6 Day(s)
    day to ship 6 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Sale
    Aluminum Control Knob_ECX
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Aluminum Control Knob_ECX

    NBK

    Reaming holes that are finished. Hexagon socket set screws for attaching to all products are included.
    From: ฿ 622.99
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Flanged Knob_EAM
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Flanged Knob_EAM

    NBK

    Material is phenolic resin.
    From: ฿ 235.74
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Spin Knob with Flange_EAC
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Spin Knob with Flange_EAC

    NBK

    You can select the spin color.
    From: ฿ 208.99
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Control Knob M8801

    Control Knob M8801

    KONISHI

    [Features]·Volume knob. [Materials]·Made of Aluminum.
    From: ฿ 489.49
    Days to Ship: day to ship 3 Day(s)
    day to ship 3 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Sale
    Control Knob M8802
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Control Knob M8802

    KONISHI

    [Features]·Volume knob. [Materials]·Made of Aluminum.
    From: ฿ 1,373.46
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
Brand
Product Series
CAD
From
Days to Ship
Mounting Section Dia. d (mm) or Nominal Dia.
Mounting Section Type
Mounting Section, Length L(mm)
Main Body, Type
Main Body Material
Round Shape, Type
Mounting Section, Material
Threaded End Machining
Set Screw Flat Machining
Side Machined
Polygonal Shape, Type
T Shape, Type
Additional Function
Tapped, Round Hole Machining
Main Body, Surface Treatment
Mounting Section, Surface Treatment
You can add up to 6 items per a category to the compare list.
Sale
Metal Knob_EAT
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Aluminum Control Knob_ECY
Until 31/03/2025
Aluminum Control Knob_ECY
Aluminum Control Knob_ECY
Aluminum Control Knob_ECY
You can add up to 6 items per a category to the compare list.
Sale
Pure Touch Knob _EBP
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Indicator Knob (INK)
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Control Knob M8803
You can add up to 6 items per a category to the compare list.
Sale
Control Knob M8806
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Push-In Rubber Nut
You can add up to 6 items per a category to the compare list.
Sale
Aluminum Control Knob_ECX
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Flanged Knob_EAM
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Spin Knob with Flange_EAC
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Control Knob M8801
You can add up to 6 items per a category to the compare list.
Sale
Control Knob M8802
Until 31/03/2025
Brand

NBK

NBK

NBK

IMAO CORPORATION

KONISHI

KONISHI

MITSUBOSHI CI

NBK

NBK

NBK

KONISHI

KONISHI

Product Series

Metal Knob_EAT

Aluminum Control Knob_ECY

Pure Touch Knob _EBP

Indicator Knob (INK)

Control Knob M8803

Control Knob M8806

Push-In Rubber Nut

Aluminum Control Knob_ECX

Flanged Knob_EAM

Spin Knob with Flange_EAC

Control Knob M8801

Control Knob M8802

CAD
  • 2D / 3D
  • 2D / 3D
  • 2D / 3D
  • 2D / 3D
  • 2D
  • 2D
  • 2D / 3D
  • 2D / 3D
  • 2D / 3D
  • 2D
  • 2D
From

฿ 221.73

Special Price

On Sale Until 31/03/2025

฿ 540.28

Special Price

On Sale Until 31/03/2025

฿ 324.61

Special Price

On Sale Until 31/03/2025

฿ 418.21

Special Price

On Sale Until 31/03/2025

฿ 466.22

฿ 146.09

Special Price

On Sale Until 31/03/2025

฿ 40.69

฿ 622.99

Special Price

On Sale Until 31/03/2025

฿ 235.74

Special Price

On Sale Until 31/03/2025

฿ 208.99

Special Price

On Sale Until 31/03/2025

฿ 489.49

฿ 1,373.46

Special Price

On Sale Until 31/03/2025

Days to Ship Same day Same day Same day Same day 3 Day(s) Same day 6 Day(s) Same day Same day Same day 3 Day(s) Same day
Mounting Section Dia. d (mm) or Nominal Dia.6.15 ~ 1066 ~ 86.16.145 ~ 106.16.16.16.1
Mounting Section TypeRound BoreRound BoreRound BoreRound BoreRound BoreRound BoreTappedRound BoreRound BoreRound BoreRound BoreRound Bore
Mounting Section, Length L(mm)12 ~ 1516 ~ 281421 ~ 2213.5 ~ 1612.5 ~ 15109 ~ 1711 ~ 1410.7 ~ 151710 ~ 20
Main Body, TypeRound ShapeRound ShapeRound ShapeRound ShapeRound ShapeRound Shape-Round ShapeRound ShapeRound ShapeRound ShapeRound Shape
Main Body MaterialAluminumAluminumOthersPhenolAluminumPhenol-AluminumPhenolPhenolAluminumAluminum
Round Shape, TypeVolume Knob ShapeVolume Knob ShapeVolume Knob ShapeVolume Knob ShapeVolume Knob ShapeVolume Knob ShapeVolume Knob ShapeVolume Knob ShapeVolume Knob ShapeVolume Knob ShapeVolume Knob ShapeVolume Knob Shape
Mounting Section, MaterialAluminumAluminumBrassBrassAluminumBrass-AluminumBrassBrassAluminumAluminum
Threaded End Machining------------
Set Screw Flat MachiningProvided (2 Places)Provided (1 Place)Provided (1 Place)Provided (1 Place)Provided (1 Place)Provided (1 Place)-Provided (1 Place)Provided (2 Places)Provided (2 Places)Provided (1 Place)Provided (1 Place) / Provided (2 Places)
Side MachinedDimpleKnurling--KnurlingNot ProvidedNot ProvidedKnurlingDimpleDimpleKnurlingKnurling
Polygonal Shape, Type------------
T Shape, Type------------
Additional FunctionWith ScaleNot Provided / With ScaleWith ScaleNot ProvidedWith ScaleWith ScaleNot ProvidedWith ScaleWith ScaleWith ScaleWith ScaleWith Scale
Tapped, Round Hole MachiningBlind BoreThrough / Reamer FinishingBlind BoreBlind Bore / Reamer FinishingBlind BoreBlind BoreThroughThrough / Reamer FinishingBlind BoreBlind BoreBlind BoreBlind Bore
Main Body, Surface TreatmentAnodizeAnodizeNoneNoneNoneNoneNoneAnodizeNoneNoneNoneNone
Mounting Section, Surface TreatmentOthersOthersTrivalent ChromateNoneNoneNoneNoneOthersNoneNoneNoneNone

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  1. 1

Related Categories to Knob Screws

FAQ Knob Screws

Question: How do I properly install the knob screw?
Answer: Here are some example to install a Knob Screws tapped type
1. Prepare the Surface: Clean and clear the area where the knob screw will be installed.
2. Choose the Right Screw: Select a screw with the appropriate size and thread that matches the knob.
3. Mark the Location: Use a pencil to mark where the knob screw will go, ensuring proper alignment.
4. Create Pilot Holes (if needed): Use a drill to create small guide holes in the marked spots, if the material is hard.
5. Insert the Screw: Place the screw through the knob and into the pilot hole or surface.
6. Tighten the Screw: Use a screwdriver to turn the screw clockwise, securely fastening the knob in place.
7. Test the Knob: Check the knob's movement and stability to ensure proper installation.
8. Adjust if Necessary: If the knob feels loose, you may need to tighten the screw further.
Question: Type of knobs screw?
Answer: There are various types of knob screws designed for specific applications. Here are a few common types:
1. Round Knurled Thumb Screws: These have textured heads for better grip, often used in applications where a secure grip is essential.
Round Knurled Thumb Screws
2. Lobed Knobs: Have a lobed design for a comfortable grip, commonly found on industrial and mechanical equipment.
Lobed Knobs
3. Ball Knobs: These have a spherical shape and are commonly used on levers or control mechanisms.
Ball Knobs
4. T-Knobs: Shaped like the letter "T," these knobs are simple to turn and are used in applications where frequent adjustments are needed.
T-Knobs
5. Star Knobs: Featuring a star-shaped head for easy turning, often used in applications requiring frequent adjustments.
Star Knobs
6. Mushroom Knobs: Shaped like a mushroom. It is used for cabinets, drawers, and doors, these knobs provide a comfortable grip for opening and closing
Mushroom Knobs
Question: How to choose the knob screw?
Answer: Here are some example how to choose the knob screw
1. Usage: Identify its purpose, such as indoor/outdoor and specific applications like machines, jig fixtures, doors, cabinets, etc.
2. Material: Match durability to the environment (stainless steel, aluminum, brass and plastic (eg., ABS, Nylon and so on).
3. Thread Type and Thread Size : Ensure screw matches knob (Threaded, Tapped) or Press fit. and the thread size is appropriate to install
4. Size: Select a knob head size that is appropriate for your intended use.
5. Head Type: Choose based on knob design (eg.,round, T Shape, Wing Shape, Polygon shape etc.).
6. Easy to install : Ensure easy installation and tightening.
7. Follow Guidelines: Check knob manufacturer's recommendations.
Question: What is the usage for knob screw?
Answer: The primary usage of a knob screw is to enable manual control, adjustment, or fastening in a wide range of applications. Here are additional examples of how knob screws are used:
1. Camera Tripods: Knob screws are used to secure the legs and adjust the height of camera tripods, aiding photographers in achieving stable shots.
2. HVAC Systems: Knob screws are used to control airflow direction and intensity in ventilation systems, enhancing indoor air quality and comfort.
3. Scientific Research Instruments: In laboratories, knob screws are employed to fine-tune the position of laser optics, ensuring precise experimental setups.
4. Automated Manufacturing: Knob screws play a role in industrial automation by adjusting the position of sensors.
Question: What is the difference of knob screw and door knob?
Answer: Knob Screw:
A knob screw is a type of fastener used to secure or adjust objects together. It consists of a threaded and a head. The head is designed for easy gripping and turning by hand. Knob screws are commonly used in applications where frequent adjustments or temporary fastening is required. They are often found in devices like clamps, jigs, and fixtures. The main purpose of a knob screw is to provide a manual way of securing two components together without the need for additional tools.

Door Knob:
A door knob, on the other hand, is a handle or knob attached to a door that allows people to open and close the door. It is usually mounted on a spindle that connects the knob on the outside of the door to a mechanism on the inside, allowing the door to be latched or unlatched. Door knobs come in various designs and materials, and they serve both functional and aesthetic purposes. They are an integral part of doors in buildings and structures

In summary,
A knob screw is a threaded fastener used for securing or adjusting objects together, often by hand.
A door knob is a handle attached to a door, allowing people to open and close the door, serving a functional and aesthetic purpose.