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Knob Screws(Mounting Section, Surface Treatment:Black Oxide)

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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  1. 1
  • You can add up to 6 items per a category to the compare list.
    Sale
    Engineering Plastic Knob (EK)
    Until 30/04/2024
    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 30/04/2024

    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: ฿ 155.32
    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 30/04/2024

    Sale
    Until 30/04/2024

    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.
    Sale
    Knurled Plastic Knob Screws - Large Diameter
    Until 30/04/2024

    Sale
    Until 30/04/2024

    Knurled Plastic Knob Screws - 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
    ● Thread Size : M5, M6, M8, M10 and M12
    ● Material :
    Knobs - Nylon 6 (Mat Black)
    Screws - Male Thread (SS400), Female Thread (SUM22L) and For Round Bore H8 Hole Type (SS400)
    [Application]
    Knob Screws are commonly used in fastening, assembly, adjustment, clamping and so on
    From: ฿ 186.55
    Special Price
    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
    T Handle (TH)
    Until 30/04/2024
    T Handle (TH)
    T Handle (TH)
    T Handle (TH)
    T Handle (TH)

    Sale
    Until 30/04/2024

    T Handle (TH)

    IMAO CORPORATION

    Easy-to-grip knob with a curved design.
    [Features]
    · Grip part has a rounded finish to fit to the hand.
    · Working temperature: -20 to +110°C.
    · Plastic T handle with high mechanical strength.
    [Applications]
    · Useful when lifting covers off devices or instruments.
    From: ฿ 506.00
    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.
    Sale
    Dimple Knob_KRM/KRF/KRR
    Until 30/04/2024
    Dimple Knob_KRM/KRF/KRR
    Dimple Knob_KRM/KRF/KRR
    Dimple Knob_KRM/KRF/KRR
    Dimple Knob_KRM/KRF/KRR
    Dimple Knob_KRM/KRF/KRR
    Dimple Knob_KRM/KRF/KRR
    Dimple Knob_KRM/KRF/KRR

    Sale
    Until 30/04/2024

    Dimple Knob_KRM/KRF/KRR

    NBK

    High quality and human design knob.
    [Features]
    ·3 types: male screw KRM, KRMS/female screw KRF, KRFS/reamed hole KRR.
    ·Reamed KRR hubs have guide holes for fixing pins.
    ·Abundant screw sizes of M4-M10.
    ·You can select the type and the material of the screw part by the product code.
    ·Applying too much force when tightening may cause damage. Make sure that the resin cap and screw are firmly attached, and do not overtighten.
    [Applications]
    ·When you want to install and remove screws without tools.
    From: ฿ 164.34
    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 (BJ750-N)
    Until 30/04/2024
    Knurled Knob (BJ750-N)
    Knurled Knob (BJ750-N)
    Knurled Knob (BJ750-N)
    Knurled Knob (BJ750-N)

    Sale
    Until 30/04/2024

    Knurled Knob (BJ750-N)

    IMAO CORPORATION

    Knurled knob in different materials depending on application.
    [Features]
    · Product finish available in 3 different patterns (black oxide, chrome-plated and stainless steel).
    · Outer knurl on the side prevents slip and allows easy operation.
    [Applications]
    · Ideal for screw fastening parts of various devices.
    · Ideal for jigs, etc.
    From: ฿ 297.32
    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
    Quick Fastening Nut (BJ757)
    Until 30/04/2024

    Sale
    Until 30/04/2024

    Quick Fastening Nut (BJ757)

    IMAO CORPORATION

    Nut that enables quick fastening work.
    [Features]
    · Unique structure allows quick fastening.
    [Applications]
    · Ideal for securing parts and jigs that require replacing frequently.
    From: ฿ 489.61
    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.
    Safety, Adjust Star, Knob (SSTK-N)

    Safety, Adjust Star, Knob (SSTK-N)

    IMAO CORPORATION

    Normally, the knob is free. The serrations engage only when the knob is pushed down, and it then becomes possible to operate. Operating temperature -30 degrees to 130 degrees.

    [Features]
    · It can be operated only when the knob is pushed down, so there is no worry of malfunction due to accidental contact etc.
    From: ฿ 964.39
    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.
    Knurled Nut (Black Iron Oxide Film) KNTA-B, KNTB-B

    Knurled Nut (Black Iron Oxide Film) KNTA-B, KNTB-B

    KONISHI

    Knob with round knurl on the outer part of the knob. The surface treatment is black.
    From: ฿ 192.20
    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.
    T Bar Knob (TBKF, TBKM)

    T Bar Knob (TBKF, TBKM)

    IMAO CORPORATION

    [Features]
    · The main body of this TBKM movable type has a built-in spring and can hold the bar at any position. Also, the end stopper prevents the bar from falling out.
    · T-shape allows strong tightening.
    From: ฿ 570.70
    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
    Knurling Nut (BJ754)
    Until 30/04/2024

    Sale
    Until 30/04/2024

    Knurling Nut (BJ754)

    IMAO CORPORATION

    Imao Corporation knobs and knurled nuts (BJ754).
    From: ฿ 296.38
    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
    Quick Clamp Knob _KQC
    Until 30/04/2024
    Quick Clamp Knob _KQC
    Quick Clamp Knob _KQC

    Sale
    Until 30/04/2024

    Quick Clamp Knob _KQC

    NBK

    Even long screws can be tightened quickly.

    [Features]
    · It can be tightened quickly, even with long screws.
    · Please screw in the screw vertically straight into a hole and tighten it.
    · If the tightening length (A) of the screw is shorter than the extension height (H), you can not achieve sufficient tightness.
    · When designing, please ensure the screw tightening length (A) is not less than the total height (H) of the knob
    From: ฿ 605.90
    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.
    Clamp Knob_KXM/KXF

    Clamp Knob_KXM/KXF

    NBK

    Normally, the knob rotates free with no serration connected. If you hold down the knob, the serrations will engage and the screw can be adjusted.
    From: ฿ 960.21
    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
    Clamp Knob KCF
    Until 30/04/2024
    Clamp Knob KCF
    Clamp Knob KCF
    Clamp Knob KCF
    Clamp Knob KCF
    Clamp Knob KCF
    Clamp Knob KCF
    Clamp Knob KCF
    Clamp Knob KCF

    Sale
    Until 30/04/2024

    Clamp Knob KCF

    NBK

    Clamp Knob KCF
    Knob 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 : Clamp Knob
    ● Thread Size : M5, M6, M8, M10 and M12
    ● Material : Steel S45C and Stainless Steel SUS303
    [Application]
    Clamp Knob Screws are commonly used in fastening, assembly, adjustment, clamping and so on
    From: ฿ 125.22
    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.
    Ergonomic Seven Lobed Knobs (ELK)

    Ergonomic Seven Lobed Knobs (ELK)

    IMAO CORPORATION

    [Features]
    · The dimples on the side of the knob are designed based on ergonomics and give a comfortable grip feeling, and a lot of tightening can be achieved with little force.
    - Although the standard color of the top of the main unit is black, we also accept orders for orange, gray, yellow, light blue, and red
    From: ฿ 383.74
    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.
    Three-Armed Knob (TAK)

    Three-Armed Knob (TAK)

    IMAO CORPORATION

    Strong tightening achievable with the 3 arms, ensuring plenty of grip. Operating temperature -20°C to 110°C.
    From: ฿ 723.69
    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)
  • You can add up to 6 items per a category to the compare list.
    Three- Arm Knob TAK

    Three- Arm Knob TAK

    KONISHI

    It is made of black phenolic resin and the knob has a glossy and beautiful surface. It is easy to apply torque with the three spokes. Operating temperature max110° C min-20° C
    From: ฿ 660.30
    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.
    Palm Grip, Actual-Bearing Type ACKL, ACKF

    Palm Grip, Actual-Bearing Type ACKL, ACKF

    KONISHI

    By reducing the friction of the seating surface, it is possible to obtain an equivalent sealing force with half the effort compared to knobs of the same size. Since the tightening seat surface does not rotate, the workpiece will not be scratched. Axial bearing inside the bearing surface.
    From: ฿ 1,297.01
    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.
    Knurled Nut (BJ753)

    Knurled Nut (BJ753)

    IMAO CORPORATION

    Imao Corporation Knurled Nut (BJ753).
    From: ฿ 322.33
    Days to Ship: day to ship 5 Day(s)
    day to ship 5 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 30/04/2024
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.
Sale
Six-Lobe Knob (SK)
Until 30/04/2024
You can add up to 6 items per a category to the compare list.
Sale
Knurled Plastic Knob Screws - Large Diameter
Until 30/04/2024
You can add up to 6 items per a category to the compare list.
Sale
T Handle (TH)
Until 30/04/2024
T Handle (TH)
T Handle (TH)
T Handle (TH)
T Handle (TH)
You can add up to 6 items per a category to the compare list.
Sale
Dimple Knob_KRM/KRF/KRR
Until 30/04/2024
Dimple Knob_KRM/KRF/KRR
Dimple Knob_KRM/KRF/KRR
Dimple Knob_KRM/KRF/KRR
Dimple Knob_KRM/KRF/KRR
Dimple Knob_KRM/KRF/KRR
Dimple Knob_KRM/KRF/KRR
Dimple Knob_KRM/KRF/KRR
You can add up to 6 items per a category to the compare list.
Sale
Knurled Knob (BJ750-N)
Until 30/04/2024
Knurled Knob (BJ750-N)
Knurled Knob (BJ750-N)
Knurled Knob (BJ750-N)
Knurled Knob (BJ750-N)
You can add up to 6 items per a category to the compare list.
Sale
Quick Fastening Nut (BJ757)
Until 30/04/2024
You can add up to 6 items per a category to the compare list.
Safety, Adjust Star, Knob (SSTK-N)
You can add up to 6 items per a category to the compare list.
Knurled Nut (Black Iron Oxide Film) KNTA-B, KNTB-B
You can add up to 6 items per a category to the compare list.
T Bar Knob (TBKF, TBKM)
You can add up to 6 items per a category to the compare list.
Sale
Knurling Nut (BJ754)
Until 30/04/2024
You can add up to 6 items per a category to the compare list.
Sale
Quick Clamp Knob _KQC
Until 30/04/2024
Quick Clamp Knob _KQC
Quick Clamp Knob _KQC
You can add up to 6 items per a category to the compare list.
Clamp Knob_KXM/KXF
You can add up to 6 items per a category to the compare list.
Sale
Clamp Knob KCF
Until 30/04/2024
Clamp Knob KCF
Clamp Knob KCF
Clamp Knob KCF
Clamp Knob KCF
Clamp Knob KCF
Clamp Knob KCF
Clamp Knob KCF
Clamp Knob KCF
You can add up to 6 items per a category to the compare list.
Ergonomic Seven Lobed Knobs (ELK)
You can add up to 6 items per a category to the compare list.
Three-Armed Knob (TAK)
You can add up to 6 items per a category to the compare list.
Six Lobed Knobs PSK, PSK-N, PSK-PA
You can add up to 6 items per a category to the compare list.
Three- Arm Knob TAK
You can add up to 6 items per a category to the compare list.
Palm Grip, Actual-Bearing Type ACKL, ACKF
You can add up to 6 items per a category to the compare list.
Knurled Nut (BJ753)
Brand

IMAO CORPORATION

IMAO CORPORATION

MISUMI

IMAO CORPORATION

NBK

IMAO CORPORATION

IMAO CORPORATION

IMAO CORPORATION

KONISHI

IMAO CORPORATION

IMAO CORPORATION

NBK

NBK

NBK

IMAO CORPORATION

IMAO CORPORATION

KONISHI

KONISHI

KONISHI

IMAO CORPORATION

Product Series

Engineering Plastic Knob (EK)

Six-Lobe Knob (SK)

Knurled Plastic Knob Screws - Large Diameter

T Handle (TH)

Dimple Knob_KRM/KRF/KRR

Knurled Knob (BJ750-N)

Quick Fastening Nut (BJ757)

Safety, Adjust Star, Knob (SSTK-N)

Knurled Nut (Black Iron Oxide Film) KNTA-B, KNTB-B

T Bar Knob (TBKF, TBKM)

Knurling Nut (BJ754)

Quick Clamp Knob _KQC

Clamp Knob_KXM/KXF

Clamp Knob KCF

Ergonomic Seven Lobed Knobs (ELK)

Three-Armed Knob (TAK)

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

Three- Arm Knob TAK

Palm Grip, Actual-Bearing Type ACKL, ACKF

Knurled Nut (BJ753)

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

฿ 155.32

Special Price

On Sale Until 30/04/2024

฿ 353.47

Special Price

On Sale Until 30/04/2024

฿ 186.55

Special Price

On Sale Until 30/04/2024

฿ 506.00

Special Price

On Sale Until 30/04/2024

฿ 164.34

Special Price

On Sale Until 30/04/2024

฿ 297.32

Special Price

On Sale Until 30/04/2024

฿ 489.61

Special Price

On Sale Until 30/04/2024

฿ 964.39

฿ 192.20

฿ 570.70

฿ 296.38

Special Price

On Sale Until 30/04/2024

฿ 605.90

Special Price

On Sale Until 30/04/2024

฿ 960.21

฿ 125.22

Special Price

On Sale Until 30/04/2024

฿ 383.74

฿ 723.69

฿ 343.42

฿ 660.30

฿ 1,297.01

฿ 322.33

Days to Ship Same day Same day 3 Day(s) Same day Same day Same day Same day 7 Day(s) 3 Day(s) 5 Day(s) Same day Same day 5 Day(s) Same day 7 Day(s) 5 Day(s) 3 Day(s) 4 Day(s) 3 Day(s) 5 Day(s)
Mounting Section Dia. d (mm) or Nominal Dia.8 ~ M16-8 ~ 1268 ~ 12M5 ~ M12M5 ~ M12M6 ~ M10M5 ~ M12M10 ~ M20M6 ~ M16M6 ~ M10M6 ~ M10M5 ~ M128 ~ 126 ~ 10-6 ~ 10M6 ~ M12M6 ~ M12
Mounting Section TypeThreaded / Round BoreOthersRound BoreRound BoreRound BoreTappedTappedThreaded / TappedTapped (Stepped)TappedTappedTappedThreaded / TappedTappedRound BoreRound BoreOthersRound BoreThreaded (Stepped) / Tapped (Stepped)Tapped
Mounting Section, Length L(mm)16 ~ 60--25 ~ 3015 ~ 237 ~ 14-10 ~ 507 ~ 1420 ~ 40-14 ~ 2011 ~ 507 ~ 1614 ~ 2722 ~ 30-22 ~ 3014 ~ 50-
Main Body, TypePolygonal ShapePolygonal ShapeRound ShapeT ShapeRound ShapeRound ShapeRound ShapePolygonal ShapeRound ShapeT ShapeRound ShapeRound ShapePolygonal ShapeRound ShapeRound ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapeRound Shape
Main Body MaterialPolyamidePhenol / PolyamideNylonPhenolNylonSteelSteelPolyamideSteelSteelSteelSteelNylonSteelPolyamidePhenolPhenol / PolyamidePhenolNylonSteel
Round Shape, Type--Cylindrical Shape-Cylindrical ShapeClamp ShapeCylindrical Shape-Clamp Shape-Cylindrical ShapeCylindrical Shape-Clamp ShapeCylindrical Shape----Cylindrical Shape
Mounting Section, MaterialSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteel
Threaded End MachiningNone------None----None-----None-
Set Screw Flat MachiningNone-None-None---None / Provided (1 Place)-----NoneNoneNoneNoneNone-
Side Machined--Knurling-DimpleKnurlingKnurling-Knurling-Diamond CutKnurling-KnurlingDimple-Not ProvidedNot ProvidedNot ProvidedKnurling
Polygonal Shape, TypeHexagonal ShapeHexagonal Shape-----Pentagon Shape----Pentagon Shape--Triangular ShapeHexagonal ShapeTriangular ShapeCross Shape-
T Shape, Type---Bar-----Bar----------
Additional FunctionNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided / Lock-Not ProvidedOthersOthersNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedAxial Bearing Built-inNot Provided
Tapped, Round Hole MachiningBlind Bore / Reamer Finishing-Blind BoreBlind Bore / Reamer FinishingBlind Bore / Reamer FinishingThroughThroughBlind BoreThroughBlind BoreThroughThroughBlind BoreThroughBlind Bore / Through / Reamer FinishingBlind Bore / Reamer Finishing-Blind BoreBlind BoreThrough
Main Body, Surface TreatmentNoneNone-NoneNoneBlack OxideBlack OxideNoneBlack OxideBlack OxideBlack OxideBlack OxideNoneBlack OxideNoneNoneNoneNoneNoneBlack Oxide
Mounting Section, Surface TreatmentBlack OxideBlack OxideBlack OxideBlack OxideBlack OxideBlack OxideBlack OxideBlack OxideBlack OxideBlack OxideBlack OxideBlack OxideBlack OxideBlack OxideBlack OxideBlack OxideBlack OxideBlack OxideBlack OxideBlack 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.