640/120PCS Metric Hex Nuts & Bolt Set M2 M3 M4 M5 DIY Hardware Kit

$17.83 $21.39

Complete Metric Hex Nut & Bolt Assortment — Ready for Any Project

Whether you're tackling a home repair, building a custom project, or restocking your workshop, this comprehensive Hex Nuts and Bolt Set has you covered. Available in a 640-piece or 120-piece kit, this assortment covers the most commonly used metric sizes — M2, M2.5, M3, M4, and M5 — so you'll always have the right fastener on hand.

Made in Mainland China.

Why Choose This Hardware Kit?

Wide Size Range: Includes M2, M2.5, M3, M4, and M5 hex bolts and matching nuts — perfect for electronics, RC models, furniture, machinery, and general metalworking.
Durable Construction: Made from sturdy metal with a hexagonal head style for a secure, reliable grip with standard tools.
Universal Compatibility: Standard metric sizing means these fasteners work with a vast range of projects and equipment.
Generous Quantity: Choose between the 120-piece starter set or the value-packed 640-piece kit — ideal for hobbyists and professionals alike.
DIY & Repair Ready: A go-to kit for metalworking, electronics assembly, model building, appliance repair, and more.
Convenient Storage: Pieces are pre-sorted by size, making it easy to find what you need quickly without digging through loose hardware.

Kit Specifications

Item Type: Nut & Bolt Set
Sizes Included: M2, M2.5, M3, M4, M5
Head Style: Hexagonal
Use Category: DIY Metalworking & General Repairs
Available Quantities: 120-piece or 640-piece set

Great For

Electronics and PCB assembly
RC cars, drones, and model builds
Furniture assembly and home repairs
Workshop and toolbox restocking
Small engine and appliance maintenance

Frequently Asked Questions

Q: What metric sizes are included in this hex nut and bolt set?

A: This kit includes five standard metric sizes: M2, M2.5, M3, M4, and M5. Both hex bolts and matching nuts are included for each size, making it a truly comprehensive assortment for a wide variety of DIY and repair tasks.

Q: What is the difference between the 120-piece and 640-piece sets?

A: The 120-piece set is a compact starter kit ideal for occasional use or carrying in a toolbox, while the 640-piece set is the professional-grade value option providing a much larger quantity of each size — perfect for workshops, frequent repairs, or bulk restocking.

Q: What material are the bolts and nuts made from?

A: The hardware in this kit is made from durable metal suitable for general-purpose metalworking, electronics, model building, and home repair applications. The hexagonal head style is compatible with standard metric wrenches and hex keys.

Q: Are these fasteners suitable for electronics and RC model projects?

A: Yes! The smaller sizes (M2 and M2.5) are especially popular for electronics assembly, circuit board mounting, and RC car or drone builds, while the larger M3, M4, and M5 bolts are well-suited for furniture, appliances, and mechanical repairs.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.