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1023Pcs M3 Screw Assortment 13 Lengths 4mm to 40mm, 10.9 Alloy Steel Nuts and Bolts Assortment Kit, Metric Button Head Hex Socket Head Cap Machine Screws and Nuts, Washers, Black - size: B. M3

1023Pcs M3 Screw Assortment 13 Lengths 4mm to 40mm, 10.9 Alloy Steel Nuts and Bolts Assortment Kit, Metric Button Head Hex Socket Head Cap Machine Screws and Nuts, Washers, Black - size: B. M3

$28.88 USD
$28.88 USD
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Taxes included. Shipping calculated at checkout.

About this item

  • Larger Quantity: 1023Pcs, Various 13 lengths of M3 Screw with Nuts and Flat Washers Meet More Demands: Nice M3 bolts and nuts kit. 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 25mm, 30mm, 35mm, 40mm. M3 Bolts are in 13 lengths. 340 x M3 Nuts; 340 x M3 Washers. 1 x hex key, 1 x tweezer, 1 x transparent screws and nuts organizer
  • Customize 13 Lengths More Choices, Metric Bolt Assortment Accord with Standardized Metric System: Different length of M3 screws and nuts total 1020pcs. From the customer's point of view, combined with the actual situation, K Kwokker specially match 13 lengths of m3 screw kit. RC lovers dream! Must have for modifications and tinkerers. The variety of sizes work perfectly for all the different projects. It’s really nice not have to search for old screws in the parts bin anymore
  • Durable M3 Metric Screw Assortment Made of High Quality 10.9 Grade Alloy Steel, More Than 20 Years of Experience in Fastener Tool Production: Assorted screws nuts and bolts have good finish with pretty good machining and tolerances
  • More Clean and Tidy: Each screw is packed separately in a transparent bag, and then put in the box to avoid confusion. Storage: Assorted screws all are stored in one storage bin box, easy and convenient for storing and carrying, in case of missing or confusing
  • K Kwokker Screws Assortment Can Be Widely Used: in all kinds of precision machinery, classified instruments, instruments, electronic products, household appliances, communication products, locks, lamps, lights, toys, etc. Perfect fit for drone building, 3D printer, motorcycle, IKEA desk, RC car, RC crawler, RC project, DIY project, etc

Overview

  • Size: B. M3
  • Color: B M3 Button Head Screws Black
  • Material: Alloy Steel
  • Brand: K Kwokker
  • Fastener Type: Bolt

Low stock: 10 left

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Reviews

  • ⭐⭐⭐⭐⭐

    Hannah Miller — Seattle, Washington
    I ordered several science activity supplies for projects at home. The product descriptions made it easier to compare the available options, and everything fit neatly into our learning space. Stemora made finding tools for hands-on activities feel simple and organized.

  • ⭐⭐⭐⭐⭐

    Daniel Foster — Austin, Texas
    I found a useful selection of electronics and robotics accessories for a beginner project. It was convenient to browse related components in clearly organized categories. I would consider shopping here again when planning another maker activity.

  • ⭐⭐⭐⭐⭐

    Lauren Bennett — Denver, Colorado
    The measurement and observation tools I selected worked well for the classroom activities I had planned. I especially appreciated being able to review the product details before ordering and choose items that matched the lesson requirements.

  • ⭐⭐⭐⭐⭐

    Jason Parker — Portland, Oregon
    I purchased a few storage items and small tools for organizing my maker workspace. The products helped keep components, wires, and project materials easier to sort and access. The overall shopping experience was straightforward and convenient.

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FAQ

What types of products does Stemora offer?


Stemora offers supplies for science experiments, microscopy, biology learning, measurement, laboratory organization, electronics, robotics, coding education, 3D printing, maker projects, and classroom activities. Available products and specifications may change over time.

Are Stemora products suitable for children?


Recommended ages vary by product. Please review the product description, manufacturer guidance, included warnings, and required skill level before purchasing. Products containing small parts, tools, electrical components, glass, or chemicals may not be suitable for young children.

Is adult supervision required?


Adult supervision is recommended for children and students, especially when using electrical components, sharp tools, heated equipment, glassware, small parts, or experiment materials. Customers are responsible for following all product instructions and safety precautions.

Can these products be used at home and in classrooms?


Many products may be suitable for classrooms, home learning, science projects, maker spaces, and hobby activities. Suitability depends on the specific product, learning environment, user experience, and intended activity.

How can I check what is included with a product?


Please review the product title, description, specifications, images, package quantity, and included-components section before ordering. Items shown for demonstration or scale in product images may not always be included.

How do I know whether an electronic or robotics part is compatible?


Check the listed dimensions, voltage, connector type, board compatibility, operating requirements, and supported platforms. Compatibility is not guaranteed unless it is specifically stated on the product page. Contact us before ordering if you need clarification.

When will I receive tracking information?


Tracking information is generally provided within 3–5 business days after an order is confirmed. In some cases, processing may take approximately 7–8 business days. Delivery may require an additional 4–5 business days after tracking becomes available, depending on the carrier and destination.

Why did my order arrive in separate packages?


Products in the same order may be shipped from different fulfillment locations. As a result, items may arrive separately and have different tracking numbers. You will not be charged additional shipping fees solely because an order is divided into multiple packages.

Can I change or cancel my order?


Contact us as soon as possible at vaioamaonaoak@gmail.com. We will try to assist, but changes or cancellations cannot be guaranteed once an order has entered processing or has been shipped.

What should I do if an item arrives damaged, defective, or incorrect?


Contact us promptly at vaioamaonaoak@gmail.com with your order number, a description of the issue, and clear photographs of the item, packaging, and shipping label. Please retain the product and original packaging while we review your request. Eligibility and available resolutions are subject to our Return & Refund Policy.

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