Contact Us Add to Favorite

Fast Shipping

Hassle Free Return

Money Back Guarantee

Authenticity Guarantee

480Pcs Metric Nuts And Bolts Assortment Kit, M3 M4 M5 Button, Black Zinc Plated

Item Description



  • 【Trusted and Experienced】: Our products are designed and manufactured by professional fastener manufacturers with over 15 years of industry experience. Our fasteners are widely used in aerospace, high-speed railroads, ships, automobiles, computers, furniture and other fields.
  • 【Good Storage and Sorting】: All of these bolts, nuts and washers are packed in a sturdy, user-friendly plastic storage box, sorted into categories and labeled so you can quickly find the size you need. To avoid the products getting mixed up or broken during the shipping process, we made a separate package for the smaller sizes and provided a sturdy box outside the plastic box.
  • 【Details】:The thread pitch for these M3, M4, M5 metric screws is 0.5mm, 0.7mm, and 0.8mm respectively. They are made of Grade 8.8 alloy steel and are button head hex socket cap screws with a surface finish of black zinc plating. The packing list consists of 30 pieces each of M3 screws in 8mm, 12mm, 16mm, and 20mm lengths, along with 120 pieces M3 nuts; 20 pieces each of M4 screws in 8mm, 12mm, 16mm, and 20mm lengths, along with 80 pieces M4 nuts; 10 pieces each of M5 screws in 8mm, 12mm, 16mm, and 20mm lengths, along with 40 M5 pieces nuts. Additionally, it includes a set of three Allen wrenches compatible with M3, M4, and M5 sizes.
  • 【Multi-purpose applications】: This set is suitable for use in various DIY projects such as 3D printing, TV and projector installation, motorcycle repair, furniture repair and more, making it a perfect addition to any home or workshop. Keep the grip Keep a set of frequently used WZHUIDA screw sets on hand to make your job easier.
  • 【Environmental Commitment】: As a socially responsible company, WZHUIDA is committed to sustainability. We have implemented a series of environmental measures to minimize our impact on the environment during the production process while providing sustainable product options.

    • Customer service is our top priority! Please be sure to read the description thoroughly to make sure that this is the item you want before making a purchasing decision. If you have any questions about this item, please contact us via messages before placing your order. We make every effort possible to accurately describe and depict the items. Please be aware that slight variations in color may be due to differences in lighting and computer monitor resolutions. All items are in stock at the time of listing however, in the unlikely and unforeseen event that we are unable to fulfill your order through any of our networked warehouses, we will notify you as quickly as possible and offer you a 100% refund on your purchase. Thank you for shopping with us. We appreciate your business!

    PayPal is our preferred method of payment. If you do not have a PayPal account, all major credit cards are gladly accepted through PayPal as the payment processor. PayPal offers great buyer and seller protection. Your order will be processed pending receipt of cleared payment through PayPal. Sales tax may be charged depending on your location.

    We provide fast, free shipping. Most items are shipped within 3-5 business days of receiving cleared payment. We ship to the lower 48 contiguous United States only. We do not ship to P.O. Boxes or APOs. Standard Shipping is ALWAYS FREE! You will be notified via messages as soon as your items ship. Special Notice for Freight Items: If an item ships via Freight (Truck) Delivery, a valid phone number will be required so that we can contact you to schedule delivery. The item may be delivered with curbside delivery. An adult signature will be required. Please be sure to have available help on hand to assist you with moving the item to the desired location in or outside of your home. Freight items must be inspected upon delivery. In the unlikely event that damaged is observed, you MUST refuse delivery and note the damage on the shipping receipt and send it back via the Freight carrier. Returns will not be accepted on Freight items after they have been delivered, inspected, and the driver has left the premises.

    We offer a 30 day return/exchange policy for most of our products. You can request a refund if you are dissatisfied for any reason with your product. (Restocking Fee May Apply). Only factory defects are accepted as a reason for a return. In the case of factory defects, if available, we will replace the product for you. When returning an item, it must be in all of the original packaging and include all of the original accessories or items that came with it. The item and package should be in original and perfect condition. You will be required to cover shipping on the return of non-defective items. All returns MUST be done within 30 days of date of purchase. Please note that we cannot give refunds or replacements after the 30 day limit has expired. When sending in a return, please note that it can take up to 7 business days for the return to be processed. We do our best to process as quickly as possible. We are extremely fair, and in the rare event of something out of the ordinary happening with our products or shipping, we will gladly work with you to find a fair resolution.