M5-M20 Bright Zinc Plated Steel DIN Stainless Steel Square Nut

M5-M20 Bright Zinc Plated Steel DIN Stainless Steel Square Nut

Our Bright Zinc Plated Steel Square Nut complies with DIN standards and is available in a variety of sizes from M5 to M20, suitable for industrial machinery, construction, automotive and electronic equipment assembly. The surface is plated with bright zinc to enhance rust and corrosion resistance, ensuring long-term use in harsh environments.

Core Advantages
High-strength material – high-quality stainless steel + zinc plating, wear and impact resistance, strong load-bearing capacity.
Anti-corrosion protection – zinc plating effectively prevents oxidation, prolongs service life, suitable for outdoor and humid environments.
Precise size – complies with DIN standards, ensuring perfect match with bolts and screws, and stable installation.
Wide compatibility – multiple specifications from M5 to M20 to meet different engineering needs.
Smooth surface – bright zinc plating process, beautiful and reduces friction damage during installation.

Technical parameters
Material: Stainless steel + bright zinc plating
Standard: DIN 557 (other standards available upon request)
Size range: M5, M6, M8, M10, M12, M16, M20 (customization supported)
Surface treatment: Bright Zinc Plated
Tensile strength: 8.8 (higher strength options available)
Operating temperature: -50°C to +120°C (suitable for a variety of environments)

Typical application scenarios
Steel structure buildings – used for beam-column connections to provide stable support.
Automobile manufacturing – tightening of key parts such as engines and chassis.
Mechanical equipment – ​​suitable for vibration environments to prevent loosening.
Electronic equipment – ​​assembly of precision instruments to avoid rust.

Why choose our square nuts?
✔ Strict quality inspection – each batch of products passes salt spray test and torque test to ensure reliability.
✔ Fast delivery – Sufficient inventory, support 24-48 hours delivery, no worries for urgent orders.
✔ Customized service – Provide personalized solutions such as non-standard size, special coating (such as Dacromet), etc.