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NBK Knob Screws（Mounting Section Dia. d (mm) or Nominal Dia.：M12）

NBK offers products Knob Screws specified by Mounting Section Dia. d (mm) or Nominal Dia. M12 from Automation Components product category. There are a total of 21 items. Search and select detailed specifications of parts for your machine with free CAD downloads. NBK products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.

Configure

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
- Cast Iron
- 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	(10) (10) DAIMARU BYORA SEISAKUSHO (1) ESCO (14) GOSHO WORKS (0) HALDER (0) HILOGIK (0) IMAO CORPORATION (25) KONISHI (32) KONOE (0) KYOWA (2) MITSUBOSHI CI (0) NBK (21) RICHENGINEERING (0) RS Pro (0) SHIMIZU (0) SUGATSUNE (0) SUNCO (0) TAKIGEN (0) TRUSCO (1)
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21 items

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Plastic Cross Knob_KJM/KJF

NBK

The shape can handle a lot of force.

From: ฿ 273.63
Days to Ship: 5 Day(s)

5 Day(s)

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Until 31/03/2025

Seven Lobed Knob_KSM/KSF

NBK

The septogon is an ideal form for the human hand.

From: ฿ 235.61
Special Price
Days to Ship: Same day

Same day

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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: ฿ 477.98
Days to Ship: 5 Day(s)

5 Day(s)

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Eight-Lobed Knob, KP

NBK

You can set the desired screw length.
Please refer to screw cutting service for details.

From: ฿ 225.35
Days to Ship: 8 Day(s)

8 Day(s)

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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: ฿ 135.60
Special Price
Days to Ship: Same day

Same day

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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: ฿ 776.48
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

Plastic Cross Knob_KF/KGC

NBK

Cross shaped plastic knob.
[Features]
·Male or female threads can be selected according to the product code.
·Two color variations of black and red.
·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: ฿ 189.83
Special Price
Days to Ship: 8 Day(s)

8 Day(s)

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Aluminum Handle_KAH

NBK

Beautiful finish by polishing.

From: ฿ 1,153.97
Days to Ship: 5 Day(s)

5 Day(s)

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Until 31/03/2025

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: ฿ 341.83
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

Stainless Hand Knob_KSH

NBK

It is made of stainless steel and has excellent corrosion resistance.

From: ฿ 1,168.79
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

Rubber Ball_KGB

NBK

It is made of rubber and has a soft texture.

From: ฿ 411.86
Special Price
Days to Ship: 5 Day(s)

5 Day(s)

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Until 31/03/2025

Quick Seven Lobed Knob_KSQ

NBK

Even long screws can be tightened quickly.

From: ฿ 1,112.76
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

Stainless Steel Hand Knob_KEHS

NBK

It is made of stainless steel and has excellent corrosion resistance.

From: ฿ 2,841.55
Special Price
Days to Ship: 8 Day(s)

8 Day(s)

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Triangular Knob_KYTS

NBK

Made of stainless steel and has excellent corrosion resistance

From: ฿ 2,423.06
Days to Ship: 8 Day(s)

8 Day(s)

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Cross Knob_KJW/KJR

NBK

The shape can handle a lot of force. Because the metal hub is exposed, it is easy to use for additional work and fixing pins.

From: ฿ 402.16
Days to Ship: 5 Day(s)

5 Day(s)

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Until 31/03/2025

Six Lobed Knob_KGF

NBK

Through-hole type knob. It is also convenient for tightening long screws.

From: ฿ 520.51
Special Price
Days to Ship: 5 Day(s)

5 Day(s)

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Until 31/03/2025

Seven Lobed Knob_KTF/KTR

NBK

Hands-friendly 7-sided shape. It is easy to grasp.

From: ฿ 371.06
Special Price
Days to Ship: Same day

Same day

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Power Cross Knob_KJB

NBK

Built-in axial bearing. By reducing the friction of the seating surface, you can obtain twice the normal tightening force.

From: ฿ 3,220.18
Days to Ship: 8 Day(s)

8 Day(s)

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Until 31/03/2025

Plastic Balls_KBA/KBC

NBK

Beautiful matte black. High quality feeling.

From: ฿ 185.17
Special Price
Days to Ship: 8 Day(s)

8 Day(s)

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Puller Pentagonal Knob_KA/KB

NBK

Made of phenol resin with excellent durability

From: ฿ 450.54
Days to Ship: 5 Day(s)

5 Day(s)

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Adjustable Mechanism_LXZ

NBK

It rotates 360°, so it is possible to change the position slightly in either clockwise or counterclockwise rotation.

From: ฿ 15,556.99
Days to Ship: 8 Day(s)

8 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	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 Until 31/03/2025	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 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 Until 31/03/2025	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 Until 31/03/2025	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 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 Until 31/03/2025	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 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
Brand	NBK	NBK	NBK	NBK	NBK	NBK	NBK	NBK	NBK	NBK	NBK	NBK	NBK	NBK	NBK	NBK	NBK	NBK	NBK	NBK	NBK
Product Series	Plastic Cross Knob_KJM/KJF	Seven Lobed Knob_KSM/KSF	Cross Knob CK/CKT	Eight-Lobed Knob, KP	Plastic Ball _PB/PC	Hexagon Knob_KK/KKT	Plastic Cross Knob_KF/KGC	Aluminum Handle_KAH	Clamp Knob KCF	Stainless Hand Knob_KSH	Rubber Ball_KGB	Quick Seven Lobed Knob_KSQ	Stainless Steel Hand Knob_KEHS	Triangular Knob_KYTS	Cross Knob_KJW/KJR	Six Lobed Knob_KGF	Seven Lobed Knob_KTF/KTR	Power Cross Knob_KJB	Plastic Balls_KBA/KBC	Puller Pentagonal Knob_KA/KB	Adjustable Mechanism_LXZ
CAD	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D
From	฿ 273.63	฿ 235.61 Special Price On Sale Until 31/03/2025	฿ 477.98	฿ 225.35	฿ 135.60 Special Price On Sale Until 31/03/2025	฿ 776.48 Special Price On Sale Until 31/03/2025	฿ 189.83 Special Price On Sale Until 31/03/2025	฿ 1,153.97	฿ 341.83 Special Price On Sale Until 31/03/2025	฿ 1,168.79 Special Price On Sale Until 31/03/2025	฿ 411.86 Special Price On Sale Until 31/03/2025	฿ 1,112.76 Special Price On Sale Until 31/03/2025	฿ 2,841.55 Special Price On Sale Until 31/03/2025	฿ 2,423.06	฿ 402.16	฿ 520.51 Special Price On Sale Until 31/03/2025	฿ 371.06 Special Price On Sale Until 31/03/2025	฿ 3,220.18	฿ 185.17 Special Price On Sale Until 31/03/2025	฿ 450.54	฿ 15,556.99
Days to Ship	5 Day(s)	Same day	5 Day(s)	8 Day(s)	Same day	Same day	8 Day(s)	5 Day(s)	Same day	Same day	5 Day(s)	Same day	8 Day(s)	8 Day(s)	5 Day(s)	5 Day(s)	Same day	8 Day(s)	8 Day(s)	5 Day(s)	8 Day(s)
Mounting Section Dia. d (mm) or Nominal Dia.	M12	M12	M12	M12	M12	M12	M12	M12	M12	M12	M12	M12	M12	M12	M12	M12	M12	M12	M12	M12	M12
Mounting Section Type	Threaded / Tapped	Threaded / Tapped	Tapped	Threaded	Tapped	Tapped	Threaded / Tapped	Tapped	Tapped	Threaded / Tapped	Tapped	Tapped	Tapped	Tapped	Tapped	Tapped	Tapped	Tapped	Tapped	Threaded / Tapped	Tapped
Mounting Section, Length L(mm)	22 ～ 40	20 ～ 60	22	50	15 ～ 18	22	14 ～ 40	22 ～ 26	16	22 ～ 50	20	42	18 ～ 20	20 ～ 22	22	25	22	28.5	18	25	-
Main Body, Type	Polygonal Shape	Polygonal Shape	Polygonal Shape	Round Shape	Round Shape	Polygonal Shape	Polygonal Shape	Polygonal Shape	Round Shape	Polygonal Shape	Round Shape	Polygonal Shape	Round Shape	Polygonal Shape	Polygonal Shape	Polygonal Shape	Polygonal Shape	Polygonal Shape	Round Shape	Polygonal Shape	Round Shape
Main Body Material	Nylon	Nylon	Steel	Nylon	Phenol / Melamine Plastic	Steel	Nylon	Aluminum	Stainless Steel / Steel	Stainless Steel	EPDM	Nylon	Stainless Steel	Stainless Steel	Nylon	Phenol	Nylon	Nylon	Nylon	Phenol	-
Round Shape, Type	-	-	-	Rose Shape	Balls	-	-	-	Clamp Shape	-	Balls	-	Cylindrical Shape	-	-	-	-	-	Balls	-	Cylindrical Shape
Mounting Section, Material	Steel	Stainless Steel / Steel	Steel	Steel	Phenol / Brass / Others	Steel	Steel / Brass	Aluminum	Stainless Steel / Steel	Stainless Steel	Steel	Steel	Stainless Steel	Stainless Steel	Stainless Steel / Steel	Brass	Stainless Steel / Steel	Steel	Nylon	Steel / Brass	-
Threaded End Machining	None	None	-	None	-	-	None	-	-	None	-	-	-	-	-	-	-	-	-	None	-
Set Screw Flat Machining	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	None
Side Machined	-	-	-	-	-	-	-	-	Knurling	-	-	-	Dimple	-	-	-	-	-	-	-	Knurling
Polygonal Shape, Type	Cross Shape	Heptagonal Shape	Cross Shape	-	-	Hexagonal Shape	Cross Shape	Pentagon Shape	-	Pentagon Shape	-	Heptagonal Shape	-	Triangular Shape	Cross Shape	Hexagonal Shape	Heptagonal Shape	Cross Shape	-	Pentagon Shape	-
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	Others	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Axial Bearing Built-in	Not Provided	Not Provided	With Scale
Tapped, Round Hole Machining	Blind Bore	Blind Bore	Blind Bore	-	Blind Bore	Blind Bore	Blind Bore	Blind Bore / Through	Through	Blind Bore	Blind Bore	Through	Blind Bore / Through	Blind Bore / Through	Blind Bore	Through	Blind Bore	Blind Bore	Blind Bore	Blind Bore	Blind Bore
Main Body, Surface Treatment	None	None	Coating	None	None	Chrome Plating	None	Others	None / Black Oxide	Tumble Polishing	None	None	Shot Blasting	Shot Blasting	None	None	None	None	None	None	-
Mounting Section, Surface Treatment	Trivalent Chromate	None / Trivalent Chromate	None	Trivalent Chromate	None	Chrome Plating	None / Trivalent Chromate	None	None / Black Oxide	None	Trivalent Chromate	Trivalent Chromate	None	None	None / Trivalent Chromate	None	None / Trivalent Chromate	Nitriding Treatment	None	None / Trivalent Chromate	-

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.