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mankk 521PCS M4 Bolts Assortment Kit, Hex Socket Head Cap Hardware - size: M4, style: Hex Socket Cap

mankk 521PCS M4 Bolts Assortment Kit, Hex Socket Head Cap Hardware - size: M4, style: Hex Socket Cap

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

About this item

  • M4 Hex Socket Head Cap Bolts is a commonly used fastening/connecting fastener in mechanical assembly, which is widely used in electronic equipment, precision instruments, mechanical equipment, industrial parts, automobile vehicles, furniture, molds and fixtures.
  • 【High Quality Materials 】Cap Head Machine Bolts is made of 12.9 grade alloy steel and black oxide surface,high strength,not easy to deform,have a quality finish.Suitable for fastening in long-term vibration environment, not easy to slide wire.
  • 【Product Features】Hex socket metric bolts adopts inner hexagon round head design,can be conveniently disassembled, and can be easily installed and disassembled by using gifted tools.The hexagonal head is convenient to operate in the narrow space of the mold.Anti-skid lines are arranged on the side of the head, which is convenient for manual auxiliary screwing.
  • 【Wide Application】Widely used in all kinds of precision electronic equipment, machinery and industrial equipment, furniture and home, cars and transportation, hardware and decoration etc.Our suite contain the accessories needed for installation, which can adapt to a variety of large and small installation projects, enough to meet your needs.
  • 【Package Include 】M4 Hex Socket Metric Bolts Kit,8 different sizes metric bolt ,Includes M4 x 6mm/8mm/12mm/16mm/20mm/25mm/30mm,with 130PCS nut,130PCS gasket,130PCS elastic sheet,and 1PCS M3 Hex wrench,521PCS in total,enough replacement to suit your needs.Put it in a transparent storage box, which is convenient to distinguish and take.

Overview

  • Size: M4
  • Material: Alloy Steel
  • Brand: mankk
  • Fastener Type: Socket Head
  • Head Style: Hex Socket

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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