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300Pcs M4 Screw Assortment Button Head Socket Cap, M4*6mm, 8mm, 10mm, 12mm, 16mm, 20mm, Metric Bolts Nuts Washers Kit with 1 Hex Allen Wrench, Black Zinc Plated Anti Rust Upgrade - size: M4 300Pcs 6mm-20mm

300Pcs M4 Screw Assortment Button Head Socket Cap, M4*6mm, 8mm, 10mm, 12mm, 16mm, 20mm, Metric Bolts Nuts Washers Kit with 1 Hex Allen Wrench, Black Zinc Plated Anti Rust Upgrade - size: M4 300Pcs 6mm-20mm

$14.92 USD
$14.92 USD
Sale Sold out
Taxes included. Shipping calculated at checkout.

About this item

  • 【Trusted and Experienced】: Our products are designed and manufactured by professional fastening manufacturers with over 15 years of industry experience. Our fasteners are widely used in aerospace, high-speed railroads, ships, automobiles, computers, furniture, and other fields.
  • 【Good Storage and Sorting】: All of these bolts, nuts, and washers are packed in a sturdy, user-friendly plastic storage box. They are sorted into categories and labeled so you can quickly find the size you need. To prevent the products from getting mixed up or damaged during shipping, we have packaged the smaller sizes separately and provided a sturdy outer box for additional protection.
  • 【Packing List】: The packing list includes M4 metric screws with a thread pitch of 0.7mm, made of Grade 8.8 alloy steel. These are button head socket cap screws with a black zinc plated surface finish. The pack contains 20 pieces each of M4 screws in 6mm and 8mm lengths, 15 pieces each of M4 screws in 10mm, 12mm, 16mm, and 20mm lengths. Additionally, there are 100 pieces of M4 washers and 100 pieces of M4 nuts included in the pack, along with 1 piece of a hex allen wrench.
  • 【Multi-purpose Applications】: This set is suitable for use in various DIY projects, such as 3D printing, TV and projector installation, motorcycle repair, furniture repair, and more, making it a perfect addition to any home or workshop. Keeping a set of frequently used WZHUIDA screw sets on hand can make your job easier.
  • 【Environmental Commitment】: As a socially responsible company, WZHUIDA is committed to sustainability. We have implemented a series of environmental measures to minimize our impact on the environment during the production process while providing sustainable product options.

Overview

  • Size: M4 300Pcs 6mm-20mm
  • Color: Black
  • Material: Alloy Steel
  • Brand: WZHUIDA
  • Item dimensions L x W x H: 5.1 x 2.6 x 0.9 inches

Low stock: 10 left

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Reviews

  • ⭐⭐⭐⭐⭐

    Emily Carter — Seattle, Washington

    The science kit was clearly organized and easy to follow. It made our weekend project feel enjoyable and gave us plenty of opportunities to explore each idea together.

  • ⭐⭐⭐⭐⭐

    Daniel Brooks — Austin, Texas

    I liked the variety of hands-on projects available at TinkerVanta. The kit we selected was engaging, practical, and well suited to a curious beginner.

  • ⭐⭐⭐⭐⭐

    Lauren Mitchell — Denver, Colorado

    The building project kept us interested from start to finish. The finished model was rewarding to complete, and the activity encouraged creative problem-solving along the way.

  • ⭐⭐⭐⭐⭐

    Jason Reed — Portland, Oregon

    Our electronics project was a fun introduction to circuits and basic engineering concepts. The hands-on format made the activity easier to understand and more memorable.

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FAQ

1. What types of products does TinkerVanta offer?


TinkerVanta offers science kits, engineering projects, robotics, electronics, building models, maker crafts, workshop supplies, and educational exploration activities for a variety of interests and skill levels.

2. Are your products suitable for all ages?


Recommended ages vary by product. Please review the age guidance, skill level, dimensions, included components, and safety information on each product page before ordering. Adult supervision may be required.

3. How do I choose the right kit?


Consider the user’s age, interests, experience, and preferred project type. Product descriptions provide information about contents, difficulty, assembly requirements, and recommended use to help you compare available options.

4. Are batteries, tools, or additional materials included?


Included components vary by product. Some projects may require batteries, household materials, tools, adhesives, or other supplies that are sold separately. Please check the individual product description before purchasing.

5. When will I receive my tracking number?


Tracking information is usually provided within 3–5 business days after an order is placed. During busy periods or when additional processing is needed, it may take up to 7–8 business days.

6. How long does delivery take after tracking is provided?


Delivery time depends on the carrier, destination, weather, and other transportation conditions. After tracking becomes available, delivery may require approximately 4–5 additional business days or longer in some circumstances.

7. Why is my tracking information not updating?


Carriers may need additional time to scan and update a shipment after the tracking number is created. Please allow a few business days for movement to appear. If there is still no update, contact us for assistance.

8. Can I change or cancel my order?


Contact us as soon as possible after placing your order. We will try to accommodate your request, but changes or cancellations cannot be guaranteed once processing or shipment preparation has begun.

9. What should I do if my order arrives damaged, defective, or incomplete?


Contact us promptly with your order number, a description of the issue, and clear photos of the product, packaging, and shipping label. We will review the information and explain the available resolution options.

10. How can I contact TinkerVanta?


Email us at zircorncirkne@gmail.com or call +1 (936) 260-5549. Please include your order number when contacting us about an existing purchase so we can assist you more efficiently.

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