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Item #:
46738189
50 Pieces Flat Knurled Head Fully Threaded Thumb Screws Bolts Fastener, Thumbscrew Threaded Knurled Grip Knobs Thumb Screw (M3X8)
89% of respondents would recommend this to a friend
Item #:
46738189
BSD 22
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Order now and get it around Tuesday, September 29
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Thumb screws are designed to be tightened and loosened by hand, making installation and removal a breeze!
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What Stands Out
Durable Design
Crafted from high-quality materials, these thumb screws ensure lasting performance and reliability, making them ideal for both professionals and DIY enthusiasts tackling various fastening projects.
Easy Grip
The flat knurled head provides excellent grip, allowing users to tighten or loosen screws effortlessly without additional tools, enhancing user convenience and efficiency in assembly tasks.
Versatile Use
Suitable for a wide range of applications, these fully threaded thumb screws are perfect for securing panels, equipment, and more, offering flexible solutions across different materials and projects.
Product Details
| Thread Size | M3 |
| Exterior Finish | Zinc |
| Manufacturer Grade | standard |
| Screw Head Style | Flat, Round |
| Color | Silver |
| Fastener Type | Machine Screw |
| Thread Type | Fully Threaded |
| Item Hardness | Grade 2 |
| Head Type | Flat |
| Compatible Groove Diameter | 3 millimeters |
| Drive System | Manual |
| Set Screw Thread Type | Metric |
| Material Type | Carbon Steel, Zinc |
| Metal Type | Carbon Steel |
| Finish Types | Glossy |
| Item Diameter | 3 millimeters |
| Size Name | M3X8 |
| Number of Pieces | 50 |
| Fastener Size | M3 |
| Thread Coverage | Fully Threaded |
| Outside Diameter | 3 millimeters |
| Brand | Asamuyu |
| Unit Count | 1 Count |
| Manufacturer | Asamuyu |
| Number Of Items | 50 |
| Part Number | 20210802 |
| Material | Carbon Steel, Zinc |
| Head Style | Flat, Round |
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
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DIY Enthusiasts
Perfect for hobbyists needing adjustable fasteners for projects, providing versatility and ease of disassembly.
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Electronics Projects
Ideal for securing enclosures or components in electronics, offering a tool-free way to manage equipment.
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Furniture Assembly
Useful for furniture builders who require quick assembly and disassembly without using additional tools.
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Heavy Duty Use
Not suitable for high-stress environments needing robust fastening solutions due to material limitations.
Product Description
50 Pieces Flat Knurled Head Fully Threaded Thumb Screws Bolts Fastener, Thumbscrew Threaded Knurled Grip Knobs Thumb Screw (M3X8)
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Customer Questions & Answers
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Question:
What materials are used in the construction of the 50 Pieces Flat Knurled Head Fully Threaded Thumb Screws?
Answer: These thumb screws are typically made from high-quality steel or stainless steel, which ensures durability and resistance to rust and corrosion. The knurled head design allows for a better grip, making it easier to tighten or loosen screws by hand without the need for additional tools. This feature is particularly useful in applications where space is tight and quick adjustments are necessary, such as in furniture assembly and electronic device assembly. -
Question:
What is the size specification of the M4x25 thumb screws?
Answer: The M4x25 designation indicates that these thumb screws have a diameter of 4mm and a length of 25mm. This size is standard for many DIY projects, allowing for compatibility with various fittings. These dimensions make the screws ideal for securing light fixtures, assembling electronic housings, or attaching panels where a user-friendly, tool-less solution is required. -
Question:
How do I properly use thumb screws in my projects?
Answer: To use thumb screws effectively, align the threaded shaft with the pre-drilled hole or fitting. Rotate the screw clockwise until it is snug. The knurled head allows you to tighten it securely by hand without needing pliers or screwdrivers. They are perfect for applications such as mounting brackets or adjustable fixtures, where frequent adjustments or removals are needed. -
Question:
Are these thumb screws suitable for outdoor use?
Answer: Yes, if constructed from stainless steel, these thumb screws are suitable for outdoor use due to their resistance to rust and environmental factors. This makes them an excellent choice for securing outdoor furniture, garden equipment, or machinery exposed to the elements. For prolonged outdoor use, make sure to choose screws with a proper coating for extra protection. -
Question:
Can I use these thumb screws for fastening electronics?
Answer: Absolutely! The M4x25 thumb screws are commonly used in electronics assembly due to their size and ease of use. They provide a secure fastening solution for electronic enclosures, circuit boards, and other components that require a reliable hold while allowing easy access for maintenance or adjustments. -
Question:
What are some typical applications for these thumb screws?
Answer: Typical applications for these thumb screws include securing panels on computers, joining furniture sections, or fasteners in model-making projects. Their design allows for quick adjustments, such as repositioning shelves or changing the positioning of equipment in DIY setups, making them versatile for both commercial and personal projects. -
Question:
Will the design of the knurled head affect usability?
Answer: Yes, the knurled head design significantly enhances usability. It provides an excellent grip, allowing users to easily tighten or loosen screws without slipping. This is particularly advantageous in situations where speed and accessibility are important, such as in assembly lines or quick repairs in home projects. -
Question:
Are these thumb screws sold individually or in bulk?
Answer: These thumb screws are typically sold in bulk, as in a pack of 50 pieces. This bulk packaging is practical for those working on large projects or frequent repairs, ensuring that you have a sufficient quantity on hand for any task. Buying in bulk can also be more cost-effective for regular users. -
Question:
What is the threading type of these thumb screws?
Answer: The thumb screws are fully threaded, which means the threads extend all the way from the bottom of the head to the tip of the screw. This provides greater flexibility in how they can be used, allowing for adjustments in various types of materials and applications that require a firm grip and stability. -
Question:
Where can I buy 50 Pieces Flat Knurled Head Fully Threaded Thumb Screws in The Bahamas?
Answer: You can purchase the 50 Pieces Flat Knurled Head Fully Threaded Thumb Screws from Ubuy. Ubuy offers a wide selection of fasteners, ensuring you can find the right specifications for your projects, alongside convenient delivery options and user-friendly interfaces for a smooth shopping experience.
Asamuyu Thumb Screws Editorial Review
The 50 Pieces Flat Knurled Head Fully Threaded Thumb Screws Bolts Fastener are a great purchase for those looking to mount LCD monitors to VESA mounts (100mm x 100mm). These M4 thumb screws are perfect for the job and come in a pack of 50, which is enough for multiple monitors. They fit easily and are good quality. However, it seems that some customers have received scratched screws which may not look aesthetically pleasing though it does not affect the functionality. Overall, the 50 Pieces Flat Knurled Head Fully Threaded Thumb Screws Bolts Fastener are a great purchase for those in need of thumb screws for mounting LCD monitors.
Customer Reviews & Ratings
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Pros
- Comes in a pack of 50
- Perfect for mounting LCD monitors to VESA mounts (100mm x 100mm)
- Good quality
Cons
- Some customers have received scratched screws
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Features & Benefits
- Convenient 50-piece set for versatile applications.
- Easy to install and remove with no tools required.
- Durable metal construction for reliability.
- Perfect for securing light covers and ornamental products.
- Knurled design offers a secure grip for effortless handling.
- M3 x 12mm size ideal for various projects.
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