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254 Pieces #4-40 x 3/16", 1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 1", Phillips Countersunk Head Machine Screws Nuts Washers Assortment Kit - size: #4-40, style: Phillips Countersunk Head

254 Pieces #4-40 x 3/16", 1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 1", Phillips Countersunk Head Machine Screws Nuts Washers Assortment Kit - size: #4-40, style: Phillips Countersunk Head

$21.56 USD
$21.56 USD
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Taxes included. Shipping calculated at checkout.

About this item

  • √ Dimension: Total 254 pieces #4-40 x 3/16", 1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 1", phillips countersunk head machine screws with matching nuts and flat washers, different sizes and enough quantities can meet your different daily needs.
  • √ Material: Sutemribor #4-40 phillips countersunk head machine screws nuts washers kit are made of high quality 304 stainless steel, which have smooth surface, high strength, not easy to deform, corrosion resistance and rust resistance in bad environments, which can ensure a long time using.
  • √ Functions: Sutemribor #4-40 phillips countersunk head machine screws are commonly used in machinery industry, instruments, electronic products, printed projects, the head are flat on top, and the middle is a recessed cross-shaped. It is usually used with a phillips screwdriver (screwdriver is not included).
  • √ Widely Applications: Commonly used in machine assembly, especially for removable panels and parts, suitable for all kinds of precision machinery industry, classified instruments, instruments, electronic products, printed projects, household appliances, communication products, locks, lamps, lights, toys, etc.
  • √ Package Included: 254 pieces Sutemribor #4-40 x 3/16", 1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 1", phillips countersunk head machine screws nuts washers are packaged in a clear plastic box, we put screws nuts washers in 10 grids, each size is marked with a clear label, which is very convenient for you to carry and use. If you have any questions, please free to contact with us and we will reply to you as soon as possible.

Overview

  • Size: #4-40
  • Color: Silver
  • Material: Stainless Steel
  • Brand: Sutemribor
  • Head Style: Phillips Countersunk Head

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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