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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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Specification/Dimensions

Mounting Section Dia. d (mm) or Nominal Dia.
1/2

1/4

3

M3

3/8

4

M4

5

M5

5/16

6

M6

6.1

7

8

M8

9

10

M10

12

M12

M14

16

M16

20

M20

M24
Drawing

Clear

Mounting Section Type
- Threaded
- Threaded (Stepped)
- Tapped
- Tapped (Stepped)
- Round Bore
- Press Fit
- Others
Clear

Mounting Section, Length L(mm)
2

3

4

5

6

6.5

6.6

7

7.2

7.5

8

8.4

8.5

8.8

9

9.1

9.5

9.6

10

10.5

10.7

11

11.5

11.9

12

12.5

13

13.4

13.5

13.8

14

14.5

14.6

15

16

17

18

18.4

18.8

19

19.6

20

21

22

23

23.4

23.8

24

24.6

25

26

26.5

27

28

28.4

28.5

28.8

29

30

31

32

33

34

35

36

37

38

39

39.5

40

42

44

45

50

54.5

55

60

70

80
Drawing

Clear

Main Body, Type
- Round Shape
- Polygonal Shape
- T Shape
- Wing Shape
- Special Shape
- Related Components
Images

Clear

Main Body Material
- Stainless Steel
- Steel
- Aluminum
- Nylon
- Phenol
- ABS
- Polyacetal
- Brass
- Polyamide
- Polypropylene
- Melamine Plastic
- EPDM
- Others
- Vinyl
- Plastic_
Clear

Round Shape, Type
- Cylindrical Shape
- Clamp Shape
- Mushroom Shape
- Rose Shape
- Volume Knob Shape
- Balls
Images

Clear

Mounting Section, Material
- Stainless Steel
- Steel
- Aluminum
- Nylon
- Phenol
- Polyacetal
- Brass
- Tinned Bronze
- Others
- Vinyl Chloride
Clear

Threaded End Machining
- None
- Spherical
- With Pad
- Cone Point
Clear

Set Screw Flat Machining
- None
- Provided (1 Place)
- Provided (2 Places)
Images

Clear

Side Machined
- Not Provided
- Knurling
- Checker Knurled
- Dimple
- Diamond Cut
Images

Clear

Polygonal Shape, Type
- Triangular Shape
- Cross Shape
- Pentagon Shape
- Hexagonal Shape
- Heptagonal Shape
- Octagonal Shape
- Star-shaped
Images

Clear

T Shape, Type
- Bar
- Wing
Images

Clear

Additional Function
- Not Provided
- With Hex Socket
- With Cross Recess
- With Slitting
- Washer Integrated
- Fall-off Prevention
- Axial Bearing Built-in
- Cylindrical (With Counterbored Hole)
- Lock
- With Scale
- Others
Images

Clear

Tapped, Round Hole Machining
- Blind Bore
- Through
- Reamer Finishing
Images

Clear

Main Body, Surface Treatment
- None
- Trivalent Chromate
- Black Oxide
- Tumble Polishing
- Coating
- Shot Blasting
- Buff Polished + Chrome Plating
- Brushed Finishing
- Chrome Plating
- Electroless Nickel Plating
- Electrolytic Polishing
- Buffed
- Anodize
- Others
- Gloss chrome plated
Clear

Mounting Section, Surface Treatment
- None
- Trivalent Chromate
- Black Oxide
- Nitriding Treatment
- Nickel Plating
- Bright Chrome Plating
- Zinc Plating
- Chrome Plating
- Others
- Chromate
Clear

Brand	(0) (0) DAIMARU BYORA SEISAKUSHO (2) ESCO (15) GOSHO WORKS (0) HALDER (0) HILOGIK (0) IMAO CORPORATION (0) KONISHI (0) KONOE (0) KYOWA (0) MITSUBOSHI CI (0) NBK (2) RICHENGINEERING (0) RS Pro (0) SHIMIZU (0) SUGATSUNE (0) SUNCO (0) TAKIGEN (0) TRUSCO (0)
CAD	2D 3D
Days to Ship	All Same day 1 Day(s) or Less 3 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less Others

19 items

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: 30; 60; 90

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Until 31/03/2025

Plastic Ball _PB/PC

NBK

Plastic Ball Knob_PB/PC
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 : Ball or Spherical
● Thread Size : M6, M8, M10 and M12
● Material : Phenol Resin and Melamine Resin
● Color : Black and Red
[Application]
Knob Screws are commonly used in fastening, assembly, adjustment, clamping and so on

From: ฿ 70.16
Special Price
Days to Ship: 5 Day(s)

5 Day(s)

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T-Shaped Knob

ESCO

[Features]·Knobs made by ESCO Co., Ltd. ·The knob is T-shaped. ·The T-shaped wing knobs.

From: ฿ 352.06
Days to Ship: 6 Day(s)

6 Day(s)

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Self-Locking Plastic Ball _KSP

NBK

Through the bush, it can be securely fixed only by pushing it onto the shaft. It will not loosen even with continuous vibration.

From: ฿ 189.73
Days to Ship: 8 Day(s)

8 Day(s)

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D Cap (White Round Type)【100 Pieces Per Package】

DAIMARU BYORA SEISAKUSHO

Good design knob.
[Feature]
· Low cost due to mass production.
· Press-fit hex socket head bolt.
[Applications]
· The product can used for various machines, electrical equipment, medical equipment, electric tools, and office equipment etc.

From: ฿ 1,780.65
Days to Ship: 5 Day(s)

5 Day(s)

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D Cap (Chrysanthemum-Type, Black)【50-100 Pieces Per Package】

DAIMARU BYORA SEISAKUSHO

Body
[Type] Round shaped mounting section
[Type] Round female thread
[Type] Chrysanthemum Side part No processing Additional function None
[Materials] Steel mounting part
[Material] Other mounting part
[Surface Treatment] None
[Sales unit] Box· Pack mounting part diameter d (mm) or nominal diameter 6 8 10 Body outer diameter D (ø) 35 40 45 Body height t (mm) 14 16 18

From: ฿ 1,456.31
Days to Ship: 5 Day(s)

5 Day(s)

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male thread grip knob

ESCO

[Features]·This is a male screw grip knob from ESCO Co., Ltd.

From: ฿ 177.71
Days to Ship: 6 Day(s)

6 Day(s)

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Male thread/female thread knob

ESCO

[Features]·Male/female screw knobs from ESCO Co., Ltd.

From: ฿ 557.21
Days to Ship: 6 Day(s)

6 Day(s)

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Male threaded dimple knob Male thread

ESCO

[Features]·Esco knob/knob male screw dimple knob. ·Male screw.

From: ฿ 155.33
Days to Ship: 6 Day(s)

6 Day(s)

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Male Threaded Dimple Knob with Stepped Male Thread

ESCO

[Features]·Esco knob/knob male screw dimple knob. ·It has a male screw step.

From: ฿ 238.24
Days to Ship: 6 Day(s)

6 Day(s)

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male thread knob (Nylon)

ESCO

[Features]·ESCO Knobs/Knobs Male screw knobs (nylon).

From: ฿ 126.48
Days to Ship: 6 Day(s)

6 Day(s)

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male thread chrysanthemum knob (Nylon)

ESCO

[Features]·ESCO Knob/Knob Male screw chrysanthemum knob (nylon).

From: ฿ 299.88
Days to Ship: 6 Day(s)

6 Day(s)

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screw knob (phenol resin)

ESCO

[Features]·ESCO Knob/Knob Screw Knob (Phenolic Resin).

From: ฿ 202.52
Days to Ship: 6 Day(s)

6 Day(s)

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Male thread/female thread knob (Stainless Steel)

ESCO

[Features]·It has excellent corrosion resistance, making it ideal for food machinery and cleaning machinery.

From: ฿ 286.35
Days to Ship: 6 Day(s)

6 Day(s)

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Male Threaded Knob T Shape

ESCO

[Features]·ESCO knob/knob male screw knob. ·It is T-shaped.

From: ฿ 155.33
Days to Ship: 6 Day(s)

6 Day(s)

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female thread plastic knob

ESCO

[Features]·ESCO Co., Ltd. Knobs/Knobs Female screw plastic knobs.

From: ฿ 205.62
Days to Ship: 6 Day(s)

6 Day(s)

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Male Threaded Knob Round

ESCO

[Features]·ESCO knob/knob male screw knob. ·Round.

From: ฿ 289.30
Days to Ship: 6 Day(s)

6 Day(s)

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Male Thread Knurled Knob

ESCO

[Features]·Male thread knurled knob made by ESCO Co., Ltd.

From: ฿ 146.71
Days to Ship: 6 Day(s)

6 Day(s)

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[NO. 1]UF Screw【6 Pieces Per Package】

ESCO

[Features]·ESCO Co., Ltd Knob / "NO. 1" UF screw.

From: ฿ 204.00
Days to Ship: 6 Day(s)

6 Day(s)

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[NO. 2]UF Screw【6 Pieces Per Package】

ESCO

[Features]·ESCO Co., Ltd Knob / "NO. 2" UF screw.

From: ฿ 205.00
Days to Ship: 6 Day(s)

6 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.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare
Brand	NBK	ESCO	NBK	DAIMARU BYORA SEISAKUSHO	DAIMARU BYORA SEISAKUSHO	ESCO	ESCO	ESCO	ESCO	ESCO	ESCO	ESCO	ESCO	ESCO	ESCO	ESCO	ESCO	ESCO	ESCO
Product Series	Plastic Ball _PB/PC	T-Shaped Knob	Self-Locking Plastic Ball _KSP	D Cap (White Round Type)【100 Pieces Per Package】	D Cap (Chrysanthemum-Type, Black)【50-100 Pieces Per Package】	male thread grip knob	Male thread/female thread knob	Male threaded dimple knob Male thread	Male Threaded Dimple Knob with Stepped Male Thread	male thread knob (Nylon)	male thread chrysanthemum knob (Nylon)	screw knob (phenol resin)	Male thread/female thread knob (Stainless Steel)	Male Threaded Knob T Shape	female thread plastic knob	Male Threaded Knob Round	Male Thread Knurled Knob	[NO. 1]UF Screw【6 Pieces Per Package】	[NO. 2]UF Screw【6 Pieces Per Package】
CAD	2D / 3D		2D / 3D
From	฿ 70.16 Special Price On Sale Until 31/03/2025	฿ 352.06	฿ 189.73	฿ 1,780.65	฿ 1,456.31	฿ 177.71	฿ 557.21	฿ 155.33	฿ 238.24	฿ 126.48	฿ 299.88	฿ 202.52	฿ 286.35	฿ 155.33	฿ 205.62	฿ 289.30	฿ 146.71	฿ 204.00	฿ 205.00
Days to Ship	5 Day(s)	6 Day(s)	8 Day(s)	5 Day(s)	5 Day(s)	6 Day(s)	6 Day(s)	6 Day(s)	6 Day(s)	6 Day(s)	6 Day(s)	6 Day(s)	6 Day(s)	6 Day(s)	6 Day(s)	6 Day(s)	6 Day(s)	6 Day(s)	6 Day(s)
Mounting Section Dia. d (mm) or Nominal Dia.	M6 ～ M12	M6 ～ M12	5 ～ 12	M3 ～ M5	M6 ～ M8	M4	M8 ～ M12	M3 ～ M8	M6 ～ M8	M5 ～ M12	M12	M6	M3 ～ M10	M4 ～ M8	M8 ～ M12	M10 ～ M12	M4 ～ M8	M3	M4 ～ M5
Mounting Section Type	Tapped	Threaded	Press Fit	Tapped	Tapped	Threaded	Threaded (Stepped)	Threaded	Threaded (Stepped)	Threaded	Threaded	Threaded	Threaded / Tapped	Threaded	Tapped (Stepped)	Threaded (Stepped)	Threaded (Stepped)	Threaded	Threaded
Mounting Section, Length L(mm)	10 ～ 18	20 ～ 30	13 ～ 23	-	-	-	25 ～ 40	10 ～ 25	20 ～ 25	25 ～ 40	50	-	10 ～ 25	6 ～ 25	12 ～ 20	20 ～ 30	6 ～ 16	6 ～ 20	8 ～ 20
Main Body, Type	Round Shape	Special Shape	Round Shape	Round Shape	Round Shape	Round Shape	Special Shape	Round Shape	Round Shape	Special Shape	Special Shape	Round Shape	Round Shape	Special Shape	Special Shape	Round Shape	Round Shape	Round Shape	Round Shape
Main Body Material	Melamine Plastic	Polyamide	Phenol	Steel	Steel	Nylon	Polyamide	Nylon	Nylon	Nylon	Nylon	Phenol	Others	Polyamide	Polyamide	Polypropylene	Phenol	Others	Others
Round Shape, Type	Balls	-	Balls	Cylindrical Shape	Rose Shape	Cylindrical Shape	-	Cylindrical Shape	Cylindrical Shape	-	-	Mushroom Shape	Cylindrical Shape	-	-	Cylindrical Shape	Cylindrical Shape	Cylindrical Shape	Cylindrical Shape
Mounting Section, Material	Others	Others	Others	Others	Others	Others	Others	Others	Others	Others	Others	Others	Others	Others	Others	Others	Others	Others	Others
Threaded End Machining	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Set Screw Flat Machining	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Side Machined	-	-	-	Knurling	Not Provided	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Polygonal Shape, Type	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
T Shape, Type	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Additional Function	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided
Tapped, Round Hole Machining	Blind Bore	-	Blind Bore	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Main Body, Surface Treatment	None	-	None	None	-	Others	-	-	-	-	-	-	-	-	-	-	-	-	-
Mounting Section, Surface Treatment	None	-	None	None	None	Zinc Plating	-	-	-	-	-	Bright Chrome Plating	-	-	-	-	-	-	-

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.

2. Lobed Knobs: Have a lobed design for a comfortable grip, commonly found on industrial and mechanical equipment.

3. Ball Knobs: These have a spherical shape and are commonly used on levers or control mechanisms.

4. T-Knobs: Shaped like the letter "T," these knobs are simple to turn and are used in applications where frequent adjustments are needed.

5. Star Knobs: Featuring a star-shaped head for easy turning, often used in applications requiring frequent adjustments.

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
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.