In the realm of mechanical fastening, the hand screw nut is a fundamental component, often used in conjunction with other specialized fasteners to ensure robust and secure assemblies. For applications requiring standard hexagonal profiles, the Hexagon Nut is a common choice, offering ease of installation with standard wrenches. In situations where a larger bearing surface is needed to distribute load and prevent pull-through, the Hexagon Flange Nut integrates a washer-like flange, eliminating the need for a separate washer. Where space is constrained or a different aesthetic is desired, the Square Nut provides stability, particularly in wood or castings. Most critically, for applications subject to vibration or dynamic loads, a Lock Nut is essential, as it is designed to resist loosening under stress, ensuring the long-term integrity of the connection.
The <产品名字> is engineered for manual tightening applications where power tools are impractical or where precise torque control is required by hand. It is characterized by its durable construction and user-friendly design, allowing for efficient assembly and disassembly. Below are the key specifications and material options for the <产品名字>.
| Material Grade | Core Material | Tensile Strength (Min) | Proof Load (MPa) | Common Applications | 
|---|---|---|---|---|
| Grade 4.8 / Class 4.8 | Low Carbon Steel | 420 MPa | 340 MPa | General purpose, low-stress applications | 
| Grade 8.8 / Class 8.8 | Medium Carbon Steel | 830 MPa | 580 MPa | Automotive, machinery, high-stress environments | 
| Grade 10.9 / Class 10.9 | Alloy Steel | 1040 MPa | 830 MPa | Heavy machinery, structural applications | 
| Grade 12.9 / Class 12.9 | Alloy Steel | 1220 MPa | 970 MPa | High-performance automotive, aerospace | 
| A2 / 304 Stainless | Stainless Steel | 500 MPa | 210 MPa | Marine, food processing, chemical environments | 
| A4 / 316 Stainless | Stainless Steel | 500 MPa | 210 MPa | High-corrosion resistance, offshore applications | 
| Nominal Size (M) | Width Across Flats (mm) | Width Across Corners (mm) | Thickness (mm) | Thread Pitch (mm) | 
|---|---|---|---|---|
| M6 | 10.00 | 11.55 | 5.00 | 1.00 | 
| M8 | 13.00 | 15.01 | 6.50 | 1.25 | 
| M10 | 16.00 | 18.48 | 8.00 | 1.50 | 
| M12 | 18.00 | 20.78 | 10.00 | 1.75 | 
| M16 | 24.00 | 27.71 | 13.00 | 2.00 | 
| M20 | 30.00 | 34.64 | 16.00 | 2.50 |