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Knob Screws(Main Body, Surface Treatment:Buff Polished + Chrome Plating)

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
    Knurled Knobs - Small Diameter
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Knurled Knobs - Small Diameter

    MISUMI

    Knurled Knobs/Small Diameter
    Knurled Knobs Screws are commonly used in various applications to secure, adjust, and control different mechanical devices. They offer a wide variety of sizes to choose from.
    [Feature]
    ● Shape : Knurled Knobs Standard and Step type
    ● Thread Size : M3, M4, M5, M6, M8 and M10
    ● Material : SUM23 and SUS303
    [Application]
    Knurled Knob Screws are commonly used in fastening, assembly, adjustment, clamping and so on
    From: ฿ 77.35
    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
    Knurled Knobs/L Dimension Standard
    Until 31/03/2025
    Knurled Knobs/L Dimension Standard
    Knurled Knobs/L Dimension Standard
    Knurled Knobs/L Dimension Standard
    Knurled Knobs/L Dimension Standard

    Sale
    Until 31/03/2025

    Knurled Knobs/L Dimension Standard

    MISUMI

    Knurled Knobs/L Dimension Standard
    Knobs Screws are commonly used in various applications to secure, adjust, and control different mechanical devices. They offer a wide variety of sizes to choose from.
    [Feature]
    ● Shape : Round Shape (Threaded type and Tapped Type)
    ● Thread Size : M3, M4, M5, M6, M8 and M10
    ● L Dimension can be configurable
    ● Material : SUM23 and SUS303
    ● Surface Treatment : chrome plate
    [Application]
    Knob Screws are commonly used in fastening, assembly, adjustment, clamping and so on
    From: ฿ 72.80
    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
    Knurled Knobs/Thick/L Dimension Standard
    Until 31/03/2025
    Knurled Knobs/Thick/L Dimension Standard
    Knurled Knobs/Thick/L Dimension Standard

    Sale
    Until 31/03/2025

    Knurled Knobs/Thick/L Dimension Standard

    MISUMI

    Knurled Knobs/Thick/L Dimension Standard
    Knurled Knobs Screws are commonly used in various applications to secure, adjust, and control different mechanical devices. They offer a wide variety of sizes to choose from.
    [Feature]
    ● Shape : Thick Knurled Knobs Stepped and Standard Type
    ● Thread Size : M3, M4, M5, M6, M8 and M10
    ● Material : SUM24L and SUS303
    [Application]
    Knurled Knobs Screws are commonly used in fastening, assembly, adjustment, clamping and so on
    From: ฿ 77.35
    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
    Knurled Knobs/Hexagonal Socket Head
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Knurled Knobs/Hexagonal Socket Head

    MISUMI

    Knurled Knobs/Hexagonal Socket Head
    Knobs Screws are commonly used in various applications to secure, adjust, and control different mechanical devices. They offer a wide variety of sizes to choose from.
    [Feature]
    ● Shape : Round shape standard and stepped shape
    ● Top of the head has Hexagonal Socket
    ● Thread Size : M3, M4 and M5
    ● Material : SUM24L and SUS303
    [Application]
    Knob Screws are commonly used in fastening, assembly, adjustment, clamping and so on
    From: ฿ 113.75
    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
    Knurled Knobs/Fall-off Prevention
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Knurled Knobs/Fall-off Prevention

    MISUMI

    Knurled Knobs/Drop-Proof
    Knobs Screws are commonly used in various applications to secure, adjust, and control different mechanical devices. They offer a wide variety of sizes to choose from.
    [Feature]
    ● Shape : Round shape standard and stepped shape
    ● Main Body Diameter (mm.) : 12, 16, 20 and 24
    ● Thread Size : M3, M4, M5 and M6
    ● Material : SUM24L and SUS303
    [Application]
    Knob Screws are commonly used in fastening, assembly, adjustment, clamping and so on
    From: ฿ 95.55
    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
    Twill Knurled Knobs
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Twill Knurled Knobs

    MISUMI

    Twill Knurled Knobs
    Knobs Screws are commonly used in various applications to secure, adjust, and control different mechanical devices. They offer a wide variety of sizes to choose from.
    [Feature]
    ● Shape : Round Shape (Standard and Stepped type)
    ● Thread Size : M3, M4 and M5
    ● Material :
    Body - Threaded (SUM24L and SUS303), Tapped (SUS303)
    Screws - Male Thread (SUM24L and SUS303), Female Thread (SUS303)
    [Application]
    Knob Screws are commonly used in fastening, assembly, adjustment, clamping and so on
    From: ฿ 109.20
    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
    Knurled Knob_KNM/KNF
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Knurled Knob_KNM/KNF

    NBK

    Knurled Knob_KNM/KNF
    Knurled Knobs Screws are commonly used in various applications to secure, adjust, and control different mechanical devices. They offer a wide variety of sizes to choose from.
    [Feature]
    ● Shape : Knurled Knobs
    ● Thread Size : M3, M4, M5, M6, M8 and M10
    ● Material :
    KNM - SWCH10R
    KNF - SUM22L
    [Application]
    Knurled Knob Screws are commonly used in fastening, assembly, adjustment, clamping and so on
    From: ฿ 91.61
    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
    Knurled Knobs - Large Diameter
    Until 31/03/2025
    Knurled Knobs - Large Diameter
    Knurled Knobs - Large Diameter

    Sale
    Until 31/03/2025

    Knurled Knobs - Large Diameter

    MISUMI

    Large Diameter Knurled Knobs
    Knobs Screws are commonly used in various applications to secure, adjust, and control different mechanical devices. They offer a wide variety of sizes to choose from.
    [Feature]
    ● Shape : Round shape with Step and Without Step
    ● Thread Size : M5, M6, and M8
    ● Diameter : 40 mm.
    ● Material : SUM23
    ● Surface Treatment : Buff Polished+Chrome Plating
    [Application]
    Knob Screws are commonly used in fastening, assembly, adjustment, clamping and so on
    From: ฿ 564.20
    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
    Knurled Knob_KUM/KUF
    Until 31/03/2025
    Knurled Knob_KUM/KUF
    Knurled Knob_KUM/KUF
    Knurled Knob_KUM/KUF
    Knurled Knob_KUM/KUF
    Knurled Knob_KUM/KUF
    Knurled Knob_KUM/KUF

    Sale
    Until 31/03/2025

    Knurled Knob_KUM/KUF

    NBK

    Knurled Knob_KUM/KUF
    Knurled Knobs Screws are commonly used in various applications to secure, adjust, and control different mechanical devices. They offer a wide variety of sizes to choose from.
    [Feature]
    ● Shape : Knurled Knobs
    ● Thread Size : M3, M4, M5, M6, M8 and M10
    ● Material :
    KUM - SWCH10R
    KUF - SUM22L
    [Application]
    Knurled Knob Screws are commonly used in fastening, assembly, adjustment, clamping and so on
    From: ฿ 103.74
    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
Knurled Knobs - Small Diameter
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Knurled Knobs/L Dimension Standard
Until 31/03/2025
Knurled Knobs/L Dimension Standard
Knurled Knobs/L Dimension Standard
Knurled Knobs/L Dimension Standard
Knurled Knobs/L Dimension Standard
You can add up to 6 items per a category to the compare list.
Sale
Knurled Knobs/Thick/L Dimension Standard
Until 31/03/2025
Knurled Knobs/Thick/L Dimension Standard
Knurled Knobs/Thick/L Dimension Standard
You can add up to 6 items per a category to the compare list.
Sale
Knurled Knobs/Hexagonal Socket Head
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Knurled Knobs/Fall-off Prevention
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Twill Knurled Knobs
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Knurled Knob_KNM/KNF
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Knurled Knobs - Large Diameter
Until 31/03/2025
Knurled Knobs - Large Diameter
Knurled Knobs - Large Diameter
You can add up to 6 items per a category to the compare list.
Sale
Knurled Knob_KUM/KUF
Until 31/03/2025
Knurled Knob_KUM/KUF
Knurled Knob_KUM/KUF
Knurled Knob_KUM/KUF
Knurled Knob_KUM/KUF
Knurled Knob_KUM/KUF
Knurled Knob_KUM/KUF
Brand

MISUMI

MISUMI

MISUMI

MISUMI

MISUMI

MISUMI

NBK

MISUMI

NBK

Product Series

Knurled Knobs - Small Diameter

Knurled Knobs/L Dimension Standard

Knurled Knobs/Thick/L Dimension Standard

Knurled Knobs/Hexagonal Socket Head

Knurled Knobs/Fall-off Prevention

Twill Knurled Knobs

Knurled Knob_KNM/KNF

Knurled Knobs - Large Diameter

Knurled Knob_KUM/KUF

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

฿ 77.35

Special Price

On Sale Until 31/03/2025

฿ 72.80

Special Price

On Sale Until 31/03/2025

฿ 77.35

Special Price

On Sale Until 31/03/2025

฿ 113.75

Special Price

On Sale Until 31/03/2025

฿ 95.55

Special Price

On Sale Until 31/03/2025

฿ 109.20

Special Price

On Sale Until 31/03/2025

฿ 91.61

Special Price

On Sale Until 31/03/2025

฿ 564.20

Special Price

On Sale Until 31/03/2025

฿ 103.74

Special Price

On Sale Until 31/03/2025

Days to Ship Same day Same day Same day Same day Same day Same day Same day Same day Same day
Mounting Section Dia. d (mm) or Nominal Dia.3 ~ 103 ~ 103 ~ 103 ~ 53 ~ 83 ~ 5M3 ~ M105 ~ 8M3 ~ M10
Mounting Section TypeThreaded / Threaded (Stepped) / Tapped / Tapped (Stepped)Threaded / Threaded (Stepped) / Tapped / Tapped (Stepped)Threaded / Threaded (Stepped) / Tapped / Tapped (Stepped)Threaded / Threaded (Stepped)Threaded / Threaded (Stepped)Threaded / Threaded (Stepped)Threaded / TappedThreaded / Threaded (Stepped)Threaded / Tapped
Mounting Section, Length L(mm)6 ~ 406 ~ 406 ~ 406 ~ 2010 ~ 306 ~ 206 ~ 4016 ~ 303 ~ 40
Main Body, TypeRound ShapeRound ShapeRound ShapeRound ShapeRound ShapeRound ShapeRound ShapeRound ShapeRound Shape
Main Body MaterialSteelSteelSteelSteelSteelSteelSteelSteelSteel
Round Shape, TypeCylindrical ShapeCylindrical ShapeCylindrical ShapeCylindrical ShapeCylindrical ShapeCylindrical ShapeCylindrical ShapeCylindrical ShapeCylindrical Shape
Mounting Section, Material------Steel-Steel
Threaded End MachiningNoneNoneNoneNoneNoneNoneNoneNoneNone
Set Screw Flat MachiningNoneNoneNone------
Side MachinedKnurlingKnurlingKnurlingKnurlingKnurlingChecker KnurledKnurlingKnurlingKnurling
Polygonal Shape, Type---------
T Shape, Type---------
Additional FunctionNot ProvidedNot ProvidedNot ProvidedWith Hex SocketFall-off PreventionNot ProvidedNot ProvidedNot ProvidedNot Provided
Tapped, Round Hole MachiningThroughThroughThrough---Through-Through
Main Body, Surface TreatmentBuff Polished + Chrome PlatingBuff Polished + Chrome PlatingBuff Polished + Chrome PlatingBuff Polished + Chrome PlatingBuff Polished + Chrome PlatingBuff Polished + Chrome PlatingBuff Polished + Chrome PlatingBuff Polished + Chrome PlatingBuff Polished + Chrome Plating
Mounting Section, Surface Treatment------Chrome Plating-Chrome Plating

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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.