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LBY 100pcs Knurled Hand Screw, M3/M4/M5 Knurled Head Fully Threaded Thumb Screws(Double Layer Step) and Wing Nuts 13 Kinds Assortment Kit, Carbon Steel Galvanized
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LBY 100pcs Knurled Hand Screw, M3/M4/M5 Knurled Head Fully Threaded Thumb Screws(Double Layer Step) and Wing Nuts 13 Kinds Assortment Kit, Carbon Steel Galvanized
Knurled head designed for easy hand-tightening and a secure grip.
LBY 100pcs Knurled Hand Screw, M3/M4/M5 Knurled Head Fully Threaded Thumb Screws(Double Layer Step) and Wing Nuts 13 Kinds Assortment Kit, Carbon Steel Galvanized
LBY

Item #: 99730121

LBY 100pcs Knurled Hand Screw, M3/M4/M5 Knurled Head Fully Threaded Thumb Screws(Double Layer Step) and Wing Nuts 13 Kinds Assortment Kit, Carbon

Item #: 99730121

NAD 312

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*All items will import from US

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Knurled head designed for easy hand-tightening and a secure grip.
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What Stands Out

Complete Assortment
This kit includes 100 pieces in various sizes (M3/M4/M5), providing versatile options for different projects and ensuring you have the right screw at hand when you need it.
Durable Material
Crafted from high-quality carbon steel and galvanized for protection, these screws guarantee long-lasting performance, resistant to rust and wear, making them ideal for both indoor and outdoor use.
User-Friendly Design
The knurled head and wing nut design allow for easy manual tightening, offering added convenience for quick assembly and disassembly, making them perfect for DIY enthusiasts and professional craftsmen alike.

Product Details

Shop LBY 100pcs Knurled Hand Screw, M3/M4/M5 Knurled Head Fully Threaded Thumb Screws(Double Layer Step) and Wing Nuts 13 Kinds Assortment Kit, Carbon Steel Galvanized online at a best price in Namibia. B09H42YXXC
Size NameOne Size
Item Diameter5 Millimeters
Number of Pieces100
Screw Head StyleFlat
Thread SizeM3u00d70.6uff0cM4u00d70.7uff0cM5u00d70.8
Compatible Groove Diameter8 Millimeters
Grade RatingClass 4.8
ColorSilver
Item ShapeButterfly,hand
Material TypeCarbon Steel
Finish TypesZinc
BrandLBY
Fastener TypeThumb
Number Of Items100
Set NameAssortment Kit
ManufacturerLBY
UPC663274975087
Part NumberLBY-061-20
ModelLBY-061-20
Unit Count1 Count
SizeOne Size
MaterialCarbon Steel
Item Weight1.5 lbs (680 grams)

Who Should Buy?

Suitable For
  • DIY Enthusiasts

    Perfect for hobbyists and DIY projects, offering a variety of screws for diverse applications.

  • Repair Technicians

    Essential for technicians who need reliable screws and nuts for quick repairs on various equipment.

  • Small Businesses

    Ideal for small manufacturing setups needing consistent quality fastening solutions for products or assembly tasks.

Not Suitable For
  • Industrial Use

    Not suitable for heavy-duty industrial applications that require specialized, high-strength fasteners.

Product Description

LBY 100pcs Knurled Hand Screw, M3/M4/M5 Knurled Head Fully Threaded Thumb Screws(Double Layer Step) and Wing Nuts 13 Kinds Assortment Kit, Carbon Steel Galvanized

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What materials are the LBY Knurled Hand Screws made from?

    Answer: The LBY Knurled Hand Screws are constructed from high-quality carbon steel. This material provides excellent durability and resistance to wear, making them ideal for use in various projects. The inherent strength of carbon steel allows these screws to withstand significant torque and pressure, which is essential for applications in furniture assembly, model building, and mechanical repairs.
  • Question: Can I use these knurled hand screws for outdoor applications?

    Answer: While the LBY Knurled Hand Screws are made of robust carbon steel, they are not specifically coated for outdoor use. For outdoor applications exposed to moisture and elements, consider using stainless steel or coated fasteners to prevent rust. However, if your project is sheltered or uses protective finishes, these screws can add a secure and aesthetic touch to your outdoor setups like garden furniture or decorative installations.
  • Question: What sizes are included in the 100pcs assortment kit?

    Answer: The LBY assortment kit includes various sizes of knurled head thumb screws and wing nuts, specifically M3, M4, and M5. This range allows for versatility in fastening applications. Whether you're working on delicate electronics or heavier DIY furniture, having multiple sizes at hand ensures you can choose the right fit for any task, making it perfect for both hobbyists and professionals.
  • Question: How do I select the right screw size for my project?

    Answer: To choose the right screw size, first assess the thickness of the materials you'll be fastening. For example, M3 screws are suitable for thinner materials, while M5 screws accommodate thicker pieces. Additionally, consider the load the fastener will bear; the larger the screw, the more weight it can typically handle. Understanding these factors will help you make informed decisions, enhancing the durability of your project.
  • Question: What is the function of knurled head screws?

    Answer: Knurled head screws feature textured surfaces that provide a better grip for hand-tightening. This design eliminates the need for additional tools, making assembly and adjustments faster and more straightforward. They're commonly used for applications where quick adjustments are needed, such as in furniture assembly and prototypes, ensuring user-friendly access without sacrificing security.
  • Question: Are wing nuts included in this kit, and what are they used for?

    Answer: Yes, this kit includes wing nuts that complement the knurled screws. Wing nuts are designed for situations where a hand-tightened fastener is required. They allow for quick adjustments or disassembly, making them great for temporary fixtures in workshops, crafting, or even mounting displays where speed and convenience are essential.
  • Question: Is this kit suitable for automotive applications?

    Answer: The LBY assortment kit can be suitable for light automotive applications, particularly for parts that require non-permanent fastening solutions. The knurled hand screws and wing nuts provide the ease of assembly and disassembly, useful in situations like mounting panels or attaching accessories. However, ensure that the specific application does not involve high-stress loads or extreme conditions.
  • Question: How do I ensure a snug fit with thumb screws?

    Answer: To ensure a snug fit, always match the screw size with the corresponding pre-drilled holes in your materials. Additionally, tighten the screws by hand until they feel firm, without over-tightening which could strip the threads. For precision applications, align the components carefully before securing them with the screws, promoting stability and structural integrity in your project.
  • Question: Can I buy the LBY 100pcs Knurled Hand Screw kit in Namibia?

    Answer: Yes, you can purchase the LBY 100pcs Knurled Hand Screw kit through Ubuy in Namibia. Ubuy offers various assortments and provides a seamless online shopping experience, making it convenient for local purchasers to find quality products like this fastener kit designed for versatile applications in both DIY and professional environments.

LBY Thumb Screws Editorial Review

The LBY 100pcs Knurled Hand Screw assortment kit has garnered positive feedback from customers who appreciate its practicality and versatility. Users have found the assortment incredibly handy for various applications, particularly in telescope accessories and rack gear replacements. The kit, which includes a range of sizes (M3, M4, M5) of knurled head fully threaded thumb screws and wing nuts, has been noted for its good thread quality and the convenience it offers thanks to its toolless design. Many customers value the compact box, which not only keeps all screws organized but also allows easy access when they need to replace missing screws or upgrade existing ones. The affordability of the kit is often highlighted, making it a cost-effective option for DIY enthusiasts or professionals who prefer having an assortment on hand for quick repairs. Overall, the LBY knurled hand screws are praised for fulfilling their purpose effectively and providing a reliable solution for both replacement and new installations. **

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Pros

  • Wide assortment of sizes (M3/M4/M5)
  • Good quality threads
  • Convenient toolless design
  • Compact and organized storage box
  • Inexpensive and good value for money

Cons

  • Limited feedback on long-term durability

Platform Trust & Buyer Confidence

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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

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23 July 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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NAD 312

Order now and get it around Sunday, August 16

QTY:

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Fastest cross-border delivery

Features & Benefits

  • Durable carbon steel with galvanized surface treatment for longevity.
  • 13 sizes in one complete kit – a total of 100 pieces.
  • Knurled design allows for easy hand-tightening.
  • Includes comfortable butterfly shape nuts for efficient fastening.
  • Ideal for use in medical, electronic, and communication equipment.
  • Perfect for DIY enthusiasts and professional applications alike.

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