175Pcs Stainless Steel Lock & Hex Nut Kit M3 M4 M5 M6 M8 M10

175-Piece Stainless Steel Lock Nut & Hex Nut Combination Kit

Keep every fastening project tight and secure with this comprehensive 175-piece Lock Nut and Hex Nut Combination Kit. Featuring six popular metric thread sizes — M3, M4, M5, M6, M8, and M10 — this assortment gives DIY enthusiasts, mechanics, and metalworkers a ready-to-use supply of high-quality fasteners right at their fingertips.

Made in Mainland China.

Why Choose This Nut Kit?

• Self-Locking Design: The lock nuts are engineered to resist loosening from vibration, torque, and movement — keeping assemblies firmly in place over time.
• Premium Stainless Steel Construction: Corrosion-resistant stainless steel ensures long-lasting durability in both indoor and outdoor environments.
• Comprehensive Size Range: Includes M3, M4, M5, M6, M8, and M10 nuts — the most commonly needed metric sizes for home improvement, automotive, machinery, and metalworking projects.
• Anti-Slip Grip: Hex nut profiles provide a solid grip for wrenches and socket tools, making installation quick and precise.
• 175-Piece Value Set: Stock up with a generous quantity so you always have the right size on hand — ideal for workshops, toolboxes, and job sites.
• Versatile Use: Suitable for metalworking, DIY repairs, machinery assembly, furniture building, electronics enclosures, and more.

Kit Contents

• Sizes Included: M3, M4, M5, M6, M8, M10
• Total Pieces: 175
• Types: Self-locking nuts (nylon insert / prevailing torque) + standard hex nuts
• Material: Stainless Steel

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Frequently Asked Questions

Q: What sizes are included in this 175-piece stainless steel nut kit?

A: This combination kit includes six of the most widely used metric nut sizes: M3, M4, M5, M6, M8, and M10. Both lock nuts and hex nuts are included across these sizes, giving you a versatile range for countless fastening applications.

Q: Are these lock nuts suitable for outdoor or high-moisture environments?

A: Yes! The nuts are made from stainless steel, which offers excellent corrosion and rust resistance, making them well-suited for outdoor use, humid environments, and applications where exposure to moisture is a concern.

Q: How does the self-locking mechanism work?

A: The lock nuts in this kit use a prevailing torque design (such as a nylon insert or deformed thread section) that creates resistance against loosening. This ensures your assemblies stay firmly fastened even under vibration or repeated stress — no additional thread-locking compound needed.

Q: What types of projects is this kit best suited for?

A: This stainless steel nut assortment is ideal for metalworking, DIY home repairs, automotive projects, machinery assembly, electronics enclosures, furniture construction, and general workshop use — anywhere metric fasteners are required.

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.