The Q 312 Spring Nuts - Type B are designed to provide a secure and reliable fastening solution for sheet metal applications. Made from high-quality carbon steel and finished with a yellow zinc plating, these nuts offer excellent corrosion resistance and durability. Featuring a tapping screw thread and a square lock cage nut design, they ensure a tight and secure fit, preventing loosening even in high-vibration environments.
• Automotive Industry: Secure components in vehicle assembly.
• Machinery and Equipment: Dependable locking for dynamic loads.
• Electrical Equipment: Secure connections in panels and systems.
• Construction: Heavy equipment fastening and structural materials.
| Material | Description & Applications |
|---|---|
| 65Mn Steel | High carbon steel with excellent hardness; used for springs and auto parts. |
| 316 Stainless Steel | Exceptional corrosion resistance; ideal for marine and chemical environments. |
| 304 Stainless Steel | Widely used with good formability; common in kitchen and architecture. |
| Carbon Steel (Q235) | Good weldability and strength; used in construction and manufacturing. |
| Alloy Steel (4140) | High strength and toughness; common in gears and heavy machinery. |









Inner Pack: Fixed quantity per bag, sealed for moisture/dust protection.
Outer Pack: 3-ply corrugated cartons with nylon strapping reinforcement.
Bulk Shipment: Palletization with PE stretch film and corner guards for maximum protection.