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Knob Screws

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
    Engineering Plastic Knob (EK)
    Until 31/03/2025
    Engineering Plastic Knob (EK)
    Engineering Plastic Knob (EK)
    Engineering Plastic Knob (EK)
    Engineering Plastic Knob (EK)
    Engineering Plastic Knob (EK)
    Engineering Plastic Knob (EK)
    Engineering Plastic Knob (EK)

    Sale
    Until 31/03/2025

    Engineering Plastic Knob (EK)

    IMAO CORPORATION

    Easy-to-grip classic resin know that fits to the hand.
    [Features]
    · Variations available are blank, reamed, stud, tapped, and stainless steel.
    · Available in steel and stainless steel materials.
    [Applications]
    · Knob-operated parts on general industrial machinery and various automatic machines.
    From: ฿ 161.00
    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.
    Stainless Steel Knobs/Five Lobed

    Stainless Steel Knobs/Five Lobed

    MISUMI

    Stainless Steel Knobs/Five Lobed
    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 : Pentagon (Five Lobed Knobs)
    ● Thread Size : M5, M6, M8 and M10
    ● Material : SCS22 (SUS316 Equivalent)
    ● Surface Treatment : Electrolytic Polishing
    [Application]
    Knob Screws are commonly used in fastening, assembly, adjustment, clamping and so on
    From: ฿ 341.25
    Days to Ship: day to ship 7 Day(s)
    day to ship 7 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Sale
    Hexagon Knob_KK/KKT
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Hexagon Knob_KK/KKT

    NBK

    Hexagonal cast metal knob.
    [Features]
    ·FC200, chrome-plated finish.
    ·KK: pilot hole, KKT: Female thread.
    [Applications]
    ·When you want to install and remove screws without tools.
    From: ฿ 314.60
    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
    Hand Knob (Made of SUS) (HK-SUS)
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Hand Knob (Made of SUS) (HK-SUS)

    IMAO CORPORATION

    It is a stainless steel hand knob with excellent rust prevention.
    From: ฿ 618.50
    Special Price
    Days to Ship: day to ship 5 Day(s)
    day to ship 5 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Sale
    Super Knobs_SK/SS
    Until 31/03/2025
    Super Knobs_SK/SS
    Super Knobs_SK/SS
    Super Knobs_SK/SS
    Super Knobs_SK/SS
    Super Knobs_SK/SS
    Super Knobs_SK/SS
    Super Knobs_SK/SS
    Super Knobs_SK/SS

    Sale
    Until 31/03/2025

    Super Knobs_SK/SS

    NBK

    For any commercially available hexagon head bolt and hexagon nut 3 type, regardless of manufacturer or material. All you need to do is insert it, and the knob is easily installed.
    From: ฿ 50.65
    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
    Six-Lobe Knob (SK)
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Six-Lobe Knob (SK)

    IMAO CORPORATION

    Knob shaped for easy application of force and good operation feeling.
    [Features]
    · Working temperature SK: -20 to +110°C, SK-PA: -30 to +120°C.
    · Easy-to-grip with 6 recesses.
    [Applications]
    · Ideal for knob-operated parts of various devices.
    · Also useful as a screw feeding operation handle.
    From: ฿ 353.47
    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.
    Five-Lobed Knob FK

    Five-Lobed Knob FK

    KONISHI

    Five-Lobed Knob FK
    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 : Five Lobed Knobs
    ● Knob Outer Diameter (mm.) : 40, 50, 60 and 70
    ● Material : SUM22L
    Knob - Phenolic Plastic Black
    Mounting Hole : Brass C3604B
    [Application]
    Knob Screws are commonly used in fastening, assembly, adjustment, clamping and so on
    From: ฿ 248.72
    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.
    Cross Knob CK/CKT

    Cross Knob CK/CKT

    NBK

    Steel cross knob.
    [Features]
    ·FC200, chijimi baking paint.
    ·Pilot hole or female thread can be selected by product code.
    ·CK-prepared hole, CKT-female thread.
    [Applications]
    ·When you want to install and remove screws without tools.
    From: ฿ 258.92
    Days to Ship: day to ship 8 Day(s)
    day to ship 8 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Quick Star Knob QSK

    Quick Star Knob QSK

    KONISHI

    After tilting the screw to the boss center hole and inserting it, screw the screw in vertically. Plastic knob that helps by shortening the time to tighten all the screws.
    From: ฿ 781.69
    Days to Ship: day to ship 4 Day(s)
    day to ship 4 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Sale
    Five Lobe Knob (FK)
    Until 31/03/2025
    Five Lobe Knob (FK)
    Five Lobe Knob (FK)
    Five Lobe Knob (FK)
    Five Lobe Knob (FK)

    Sale
    Until 31/03/2025

    Five Lobe Knob (FK)

    IMAO CORPORATION

    Pentagonal resin knob with square hole specification for the boss. Operating temperature -30°C to 130°C.
    From: ฿ 208.71
    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.
    Stainless-Steel Wing Knob SW

    Stainless-Steel Wing Knob SW

    KONISHI

    Stainless steel wing knob manufactured with lost wax casting. Not affected by corrosion and is thus ideal for food machinery or equipment installed outdoors. One model has a tapped center boss and the other is solid. Please select according to your needs.
    From: ฿ 323.51
    Days to Ship: day to ship 5 Day(s)
    day to ship 5 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Sale
    Stainless Steel Hand Knob ZS, ZS-T
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Stainless Steel Hand Knob ZS, ZS-T

    KONISHI

    It is a stainless steel hand knob manufactured with lost wax casting. Because there is no worry of corrosion, it is the optimal part for food machinery / outdoor installation equipment. One model has a tapped center boss and the other is solid. Please select according to your needs.
    From: ฿ 531.78
    Special Price
    Days to Ship: day to ship 5 Day(s)
    day to ship 5 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Six Lobed Knobs PSK, PSK-N, PSK-PA

    Six Lobed Knobs PSK, PSK-N, PSK-PA

    KONISHI

    Phenol resin knob. Excellent water resistance and chemical resistance.
    From: ฿ 343.42
    Days to Ship: day to ship 3 Day(s)
    day to ship 3 Day(s)
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
Engineering Plastic Knob (EK)
Until 31/03/2025
Engineering Plastic Knob (EK)
Engineering Plastic Knob (EK)
Engineering Plastic Knob (EK)
Engineering Plastic Knob (EK)
Engineering Plastic Knob (EK)
Engineering Plastic Knob (EK)
Engineering Plastic Knob (EK)
You can add up to 6 items per a category to the compare list.
Stainless Steel Knobs/Five Lobed
You can add up to 6 items per a category to the compare list.
Sale
Hexagon Knob_KK/KKT
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Hand Knob (Made of SUS) (HK-SUS)
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Super Knobs_SK/SS
Until 31/03/2025
Super Knobs_SK/SS
Super Knobs_SK/SS
Super Knobs_SK/SS
Super Knobs_SK/SS
Super Knobs_SK/SS
Super Knobs_SK/SS
Super Knobs_SK/SS
Super Knobs_SK/SS
You can add up to 6 items per a category to the compare list.
Sale
Six-Lobe Knob (SK)
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Five-Lobed Knob FK
You can add up to 6 items per a category to the compare list.
Cross Knob CK/CKT
You can add up to 6 items per a category to the compare list.
Quick Star Knob QSK
You can add up to 6 items per a category to the compare list.
Sale
Five Lobe Knob (FK)
Until 31/03/2025
Five Lobe Knob (FK)
Five Lobe Knob (FK)
Five Lobe Knob (FK)
Five Lobe Knob (FK)
You can add up to 6 items per a category to the compare list.
Stainless-Steel Wing Knob SW
You can add up to 6 items per a category to the compare list.
Sale
Stainless Steel Hand Knob ZS, ZS-T
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Six Lobed Knobs PSK, PSK-N, PSK-PA
Brand

IMAO CORPORATION

MISUMI

NBK

IMAO CORPORATION

NBK

IMAO CORPORATION

KONISHI

NBK

KONISHI

IMAO CORPORATION

KONISHI

KONISHI

KONISHI

Product Series

Engineering Plastic Knob (EK)

Stainless Steel Knobs/Five Lobed

Hexagon Knob_KK/KKT

Hand Knob (Made of SUS) (HK-SUS)

Super Knobs_SK/SS

Six-Lobe Knob (SK)

Five-Lobed Knob FK

Cross Knob CK/CKT

Quick Star Knob QSK

Five Lobe Knob (FK)

Stainless-Steel Wing Knob SW

Stainless Steel Hand Knob ZS, ZS-T

Six Lobed Knobs PSK, PSK-N, PSK-PA

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

฿ 161.00

Special Price

On Sale Until 31/03/2025

฿ 341.25

฿ 314.60

Special Price

On Sale Until 31/03/2025

฿ 618.50

Special Price

On Sale Until 31/03/2025

฿ 50.65

Special Price

On Sale Until 31/03/2025

฿ 353.47

Special Price

On Sale Until 31/03/2025

฿ 248.72

฿ 258.92

฿ 781.69

฿ 208.71

Special Price

On Sale Until 31/03/2025

฿ 323.51

฿ 531.78

Special Price

On Sale Until 31/03/2025

฿ 343.42

Days to Ship Same day 7 Day(s) Same day 5 Day(s) Same day Same day 3 Day(s) 8 Day(s) 4 Day(s) Same day 5 Day(s) 5 Day(s) 3 Day(s)
Mounting Section Dia. d (mm) or Nominal Dia.--556 ~ 12-6 ~ 858 ~ 126 ~ 10---
Mounting Section TypeOthersOthersOthersOthersOthersOthersOthersOthersOthersOthersOthersOthersOthers
Mounting Section, Length L(mm)--10---10 ~ 141026 ~ 4210 ~ 14---
Main Body, TypePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapeT ShapePolygonal ShapePolygonal Shape
Main Body MaterialPolyamideStainless SteelSteelStainless SteelNylonPhenol / PolyamidePhenolSteelNylonPhenol / PolyamideStainless SteelStainless SteelPhenol / Polyamide
Round Shape, Type-------------
Mounting Section, MaterialStainless Steel / Steel-SteelStainless Steel-SteelBrassSteelSteelBrassStainless SteelStainless SteelSteel
Threaded End Machining-------------
Set Screw Flat Machining-None-None--None-None-NoneNoneNone
Side Machined------Not Provided-Not Provided-Not ProvidedNot ProvidedNot Provided
Polygonal Shape, TypeHexagonal ShapePentagon ShapeHexagonal ShapeHexagonal ShapeTriangular Shape / Pentagon ShapeHexagonal ShapePentagon ShapeCross ShapeHeptagonal ShapePentagon Shape-Hexagonal ShapeHexagonal Shape
T Shape, Type----------Wing--
Additional FunctionNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided
Tapped, Round Hole Machining--Blind Bore-Through-ThroughBlind BoreThrough----
Main Body, Surface TreatmentNoneElectrolytic PolishingChrome PlatingElectrolytic PolishingNoneNoneNoneCoatingNoneNoneElectrolytic PolishingElectrolytic PolishingNone
Mounting Section, Surface TreatmentNone-Chrome PlatingOthers-Black OxideNoneNoneTrivalent ChromateNone--Black Oxide

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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.