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MISUMI Knob Screws（Polygonal Shape, Type：Heptagonal Shape）
MISUMI offers products Knob Screws specified by Polygonal Shape, Type Heptagonal Shape from Automation Components product category. There are a total of 3 items. Search and select detailed specifications of parts for your machine with free CAD downloads. MISUMI products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.
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3 items
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Plastic Knobs/Seven Lobed Knobs
MISUMI
Plastic Knobs/Seven Lobed 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 : Seven Lobed Knobs
● Thread Size : M5, M6, M8 and M12
● Material :
Knobs - Nylon 6 (Mat Black)
Screws - Male Thread (SWCH10R), Female Thread (Brass )
[Application]
Knob Screws are commonly used in fastening, assembly, adjustment, clamping and so on- Volume Discount
Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications 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 Cleaning Method 5 ～ 12 - Threaded / Tapped - 10 ～ 55 Polygonal Shape Nylon - Steel / Brass None None - Heptagonal Shape - Not Provided Blind Bore - None / Trivalent Chromate - From: ₹ 98.00 Days to Ship: Same day or more 
Same day or more
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Economy series
You can add up to 6 items per a category to the compare list.
MiSUMi EconomyHeptagonal Lob Knob Female Thread
MiSUMi EconomyMISUMI
- Volume Discount
Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications 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 Cleaning Method M10 ～ M12 - Tapped (Stepped) - 17 ～ 21 Polygonal Shape Phenol - Brass - - - Heptagonal Shape - - - - None - From: ₹ 310.00 Days to Ship: Same day
Same day
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Economy series
You can add up to 6 items per a category to the compare list.
MiSUMi EconomyMiSUMi EconomyMISUMI
Heptagonal Knobs
Knobs Screws are an economy item, The price is cheaper than the MISUMI standard product. They offer a wide variety of sizes to choose from.
[Feature]
● Shape : Heptagonal Knobs (Seven Lobed Knobs)
● Thread Size : M10 and M12
● Material :
Knobs - Phenolic Resin
Screws - Q235
[Application]
Knobs Screws are commonly used in fastening, assembly, adjustment, clamping and so on- Volume Discount
Mounting Section Dia. d (mm) or Nominal Dia. Environmentally friendly Mounting Section Type Characteristics/Applications 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 Cleaning Method M10 ～ M12 - Threaded (Stepped) - 25 ～ 30 Polygonal Shape Phenol - Steel - - - Heptagonal Shape - - - - Zinc Plating - From: ₹ 168.00 Days to Ship: Same day
Same day
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| Product Series |
| CAD |
| From |
| Days to Ship |
| Specifications |
| Mounting Section Dia. d (mm) or Nominal Dia. |
| Environmentally friendly |
| Mounting Section Type |
| Characteristics/Applications |
| 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 |
| Cleaning Method |
You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list.    | |
| Brand | MISUMI | MISUMI | MISUMI |
| Product Series | |||
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| From | ₹ 98.00- | ₹ 310.00- | ₹ 168.00- |
| Days to Ship | Same day or more | Same day | Same day |
| Specifications | |||
| Mounting Section Dia. d (mm) or Nominal Dia. | 5 ～ 12 | M10 ～ M12 | M10 ～ M12 |
| Environmentally friendly | - | - | - |
| Mounting Section Type | Threaded / Tapped | Tapped (Stepped) | Threaded (Stepped) |
| Characteristics/Applications | - | - | - |
| Mounting Section, Length L(mm) | 10 ～ 55 | 17 ～ 21 | 25 ～ 30 |
| Main Body, Type | Polygonal Shape | Polygonal Shape | Polygonal Shape |
| Main Body Material | Nylon | Phenol | Phenol |
| Round Shape, Type | - | - | - |
| Mounting Section, Material | Steel / Brass | Brass | Steel |
| Threaded End Machining | None | - | - |
| Set Screw Flat Machining | None | - | - |
| Side Machined | - | - | - |
| Polygonal Shape, Type | Heptagonal Shape | Heptagonal Shape | Heptagonal Shape |
| T Shape, Type | - | - | - |
| Additional Function | Not Provided | - | - |
| Tapped, Round Hole Machining | Blind Bore | - | - |
| Main Body, Surface Treatment | - | - | - |
| Mounting Section, Surface Treatment | None / Trivalent Chromate | None | Zinc Plating |
| Cleaning Method | - | - | - |
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Specification/Dimensions
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Mounting Section Dia. d (mm) or Nominal Dia.
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Environmentally friendly
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Mounting Section Type
- Threaded
- Threaded (Stepped)
- Tapped
- Tapped (Stepped)
- Round Bore
- Press Fit
- Others
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Characteristics/Applications
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Mounting Section, Length L(mm)
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Main Body, Type
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Main Body Material
- Stainless Steel
- Steel
- Aluminum
- Nylon
- Phenol
- ABS
- Polyacetal
- Brass
- Polyamide
- Polypropylene
- Melamine Plastic
- EPDM
- Others
- Vinyl
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Round Shape, Type
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Mounting Section, Material
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Threaded End Machining
- None
- Spherical
- With Pad
- Cone Point
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Set Screw Flat Machining
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Side Machined
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Polygonal Shape, Type
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T Shape, Type
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Additional Function
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Tapped, Round Hole Machining
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Main Body, Surface Treatment
-
Mounting Section, Surface Treatment
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Cleaning Method
- Degreasing
- Precision Cleaning
- Electrolytic Polishing + Precision Cleaning
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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 between 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.
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