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680Pcs M4 Screw Hex Socket Head Cap Bolt Kit 6-30mm 12.9 Alloy Steel - size: G12.9 M4 680PCS

680Pcs M4 Screw Hex Socket Head Cap Bolt Kit 6-30mm 12.9 Alloy Steel - size: G12.9 M4 680PCS

$23.22 USD
$23.22 USD
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About this item

  • 【680pcs M4 Bolts Assortment】This M4 screw kit includes a total of 680 pieces: 160pcs of hex socket head cap screws in 7 commonly used metric lengths (M4×6mm:34pcs, M4×8mm:30pcs, M4×12mm:28pcs, M4×16mm:22pcs, M4×20mm:20pcs, M4×25mm:14pcs, M4×30mm:12pcs), plus 172pcs of matching M4 hex nuts, 172pcs of M4 flat washers, and 176pcs of M4 spring (lock) washers. An Allen wrench is also included. This screw assortment is designed to meet daily maintenance, repair, and assembly needs across a wide range of metric fastening tasks
  • 【12.9 Grade Alloy Steel & Black Zinc Plating】The M4 screws assortment kit are made from 12.9 grade alloy steel, which provides high tensile strength, hardness, and wear resistance. The M4 socket head cap screw,hex bolt black zinc plated finish offers protection against rust and corrosion, making these fasteners suitable for indoor and light outdoor use.
  • 【Hex Socket Head, Allen Drive & Spring Washer Design】The recessed hex socket (Allen) drive allows for secure torque transmission and tightening even in confined or recessed spaces. Each M4 socket head screws features clean, burr‑free metric threads (M4 x 0.7) that help ensure smooth engagement with nuts and tapped holes, reducing the risk of cross‑threading. The M4 spring (lock) washers are designed to provide axial tension when compressed, which helps resist loosening caused by vibration – complementing the flat washers for more secure assemblies.
  • 【Organized Storage Box】The M4 bolt kit come in a sturdy, compartmentalized plastic storage case with dedicated sections for each screw size, as well as separate compartments for nuts, flat washers, and spring washers. All pieces remain neatly sorted, clearly separated, and easily accessible, reducing time spent searching for the right fastener. The M4 assortment compact and portable design fits easily into tool bags, drawers, or shelves.
  • 【Wide Applications】This M4 hardware kit is suitable for a broad range of applications, including 3D printers (frame assembly, extruder mounting), CNC machinery, electronics enclosures, RC models and drones, furniture assembly (chairs, small hardware), bicycle repairs, and general DIY projects. Having a complete assortment of metric M4 machine screws, washers, bolts, and nuts on hand simplifies repairs and supports workflow efficiency.

Overview

  • Material: Alloy Steel
  • Thread Size: m4-0.7
  • Exterior Finish: Zinc
  • Manufacturer Grade: 12.9
  • Head Style: Hex Socket Head

Low stock: 10 left

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Reviews

  • ⭐⭐⭐⭐⭐

    Emily Carter — Seattle, Washington

    The ordering process was straightforward, and the product information made it easy to compare my options. Everything arrived securely packaged and matched what I expected. I would feel comfortable shopping with Flyvora again.

  • ⭐⭐⭐⭐⭐

    Daniel Brooks — Austin, Texas

    I appreciated how clearly the product details and shipping updates were presented. My order arrived in good condition, and the items were organized and easy to check. Overall, it was a smooth and convenient shopping experience.

  • ⭐⭐⭐⭐⭐

    Lauren Mitchell — Denver, Colorado

    Flyvora has a useful selection without making the shopping process feel complicated. I found what I needed, received helpful order updates, and everything arrived as described. The entire experience felt organized and reliable.

  • ⭐⭐⭐⭐⭐

    Jason Reed — Portland, Oregon

    The website was easy to browse, and the information helped me choose with confidence. My order was carefully packed and arrived within the expected timeframe. I was pleased with the overall service and communication.

FAQ

What types of drones and accessories does Flyvora offer?

Flyvora offers camera drones, GPS drones, FPV racing drones, mini and beginner models, replacement propellers, batteries, chargers, controllers, camera components, cases, landing equipment, and repair supplies. Product availability may change over time.

How can I confirm that an accessory is compatible with my drone?

Check the exact drone brand, model number, hardware version, dimensions, connector, voltage, battery type, and other specifications shown on the product page. Similar-looking parts may not be interchangeable. Contact us before ordering if compatibility is unclear.

Do I need to register my drone with the FAA?

Registration requirements depend on the drone’s weight, equipment, and intended use. Certain drones operated in the United States must be registered and may need to comply with Remote ID requirements. Review current information at the official FAA website before flying.

How long does order processing and delivery take?

Orders are generally processed within 1–3 business days. Estimated delivery within the contiguous United States is usually 5–10 business days after shipment. Holidays, weather, carrier disruptions, address issues, and lithium-battery restrictions may cause delays.

How can I track my order?

When tracking is available, we will email you a shipping confirmation containing the tracking number and carrier information. Tracking may take 2–5 business days to display its first update after the shipping label is created.

Can I change or cancel my order?

Contact us as soon as possible after placing your order. We recommend submitting change or cancellation requests within 12 hours. Changes cannot be guaranteed after processing or fulfillment has begun.

What is Flyvora’s return policy?

Eligible products may generally be returned within 30 calendar days after delivery. Items must be unused, unflown, uninstalled, and returned with the original packaging and included components. Contact us for authorization before shipping any return.

What should I do if my order arrives damaged or defective?

Contact korepajhagry@gmail.com as soon as reasonably possible, preferably within seven days of delivery. Include your order number and clear photographs or video of the product, packaging, shipping label, and affected area. Keep all packaging and included parts while we review the issue.

How should I safely charge and store drone batteries?

Use only compatible batteries and charging equipment, follow the manufacturer’s instructions, and charge on an appropriate surface away from combustible materials. Stop using batteries that are swollen, leaking, punctured, unusually hot, or damaged. Contact us before attempting to return a damaged lithium battery.

How can I contact Flyvora customer support?

Email us at korepajhagry@gmail.com or call +1 (936) 260-5549. Support hours are Monday through Friday, 10:00 AM–6:00 PM (GMT+8). We aim to respond to most inquiries within 1–2 business days.

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