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2240PCS Metric Bolt Assortment Kit, M2 M3 M4 M5 Button Head Socket Cap Screws with Hex Nuts, Flat & Spring Lock Washers, 10.9 Grade Alloy Steel Black Oxide Allen Hex Keys, for 3D Printing - size: M2M3M4M5 2240pcs

2240PCS Metric Bolt Assortment Kit, M2 M3 M4 M5 Button Head Socket Cap Screws with Hex Nuts, Flat & Spring Lock Washers, 10.9 Grade Alloy Steel Black Oxide Allen Hex Keys, for 3D Printing - size: M2M3M4M5 2240pcs

$29.86 USD
$29.86 USD
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Taxes included. Shipping calculated at checkout.

About this item

  • 【2240-Piece Complete Hardware Kit】 This all-in-one metric screws assortment kit, fastener assortment includes 560pcs button head socket cap screws in 16 sizes (M2x4/8/12/16mm, M3x6/8/12/16mm, M4x8/12/16/20mm, M5x8/12/16/20mm), 560pcs hex nuts, and 1120pcs washers (flat washers and spring lock washers). This nuts and bolts set serves as a practical metric bolt assortment, equipped with full assorted nuts and bolts and all essential screws and nuts. It covers common metric sizes M2-M5, saving trips to hardware stores for small fasteners. Perfect for professionals, hobbyists, and DIY enthusiasts.
  • 【Grade 10.9 Industrial Strength & Weatherproof】 Made from high-strength 10.9 grade alloy steel with black oxide coating, our metric screws assortment kit is practical screw & bolt assortment sets. It delivers great tensile strength and strong corrosion, rust and resistance. Weatherproof for outdoor rain, humidity, extreme temps. Screws in this bolts and nuts kit have tolerances ≤0.01mm for consistent threading and secure fit. Premium metric screws form the metric machine screw assortment. This robust nuts and bolts set stays intact after repeated assembly in harsh conditions.
  • 【Adjustable Compartment Storage Box】 All 2240 pieces of this metric screw assortment are neatly organized in a durable storage container with adjustable dividers. This metric hardware kit holds complete m2 m3 m4 m5 screw assortment, including various m screws and sturdy Allen hex keys. It features reliable hex screws, forming a handy bolt and nut set. Color-coded size stickers enable fast identification. Find the exact m2 screws, m3 screws, m4 screws, m5 bolts, or screws and nuts you need in seconds. The compact box fits easily in your toolbox, workshop drawer, or garage shelf.
  • 【Bonus Allen Hex Key Wrenches Included】 Each metric fasteners assortment kit comes with 4 premium black oxide Allen hex keys (1.5mm, 2mm, 2.5mm, 3mm) specifically matched to the screw sizes in this set. Everything you need, including metric machine screws, is in the box — no additional tools required. Start your project right out of the package.
  • 【Versatile Indoor & Outdoor Applications】 This metric hardware screw assortment is ideal for 3D printing, RC models, electronics repair, drones, robotics, bicycle maintenance, furniture assembly, outdoor equipment, marine applications, RV and boat repairs, garden tools, and general DIY projects. Whether you need m2 screw kit for small electronics, m3 screw set for 3D printers, m4 screw kit for RC cars, m5 screw kit for larger assemblies, or weatherproof fasteners for outdoor use, this metric bolts and nuts assortment has the right fastener for every task, indoors and outdoors.

Overview

  • Size: M2M3M4M5 2240pcs
  • Color: Black
  • Material: Alloy Steel
  • Brand: KINLINK
  • Item dimensions L x W x H: 7.72 x 5.24 x 1.46 inches

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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