| Customization: | Available |
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| Standard: | ANSI, DIN, GB, ISO, JIS |
| Type: | Common Nail |
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Screws, as an extremely common and crucial mechanical connecting element, are widely used in numerous fields. They can be found everywhere, from furniture and electrical appliances in daily life to large mechanical equipment in industrial production, building structures, and precision instruments in high-tech fields.
| Classification Basis | Specific Types |
| Head Shape | Cross Recessed Pan Head Screws |
| Slotted Pan Head Screws | |
| Hexagon Socket Head Cap Screws | |
| Countersunk Head Screws | |
| Thread Type | Coarse Thread Screws |
| Fine Thread Screws | |
| Special Types | Self-Tapping Screws |
| Expansion Screws | |
| Set Screws |
| Specification Types | Specific Contents |
| Thread Specifications (Metric) | Start with "M", such as "M3×0.5" (where M3 represents a nominal diameter of 3mm and 0.5 represents the pitch). Common ones include M3 - M10, etc., and the pitch varies with different diameters. |
| Thread Specifications (Imperial) | For example, "1/4 - 20UNC" (where 1/4 inch is the outer diameter, 20 threads per inch, and UNC stands for Unified Coarse Thread). |
| Length Specifications | Ranging from a few millimeters to several hundred millimeters. For example, it can be 3 - 10mm for use in electronic equipment, and dozens to hundreds of millimeters for use in construction. |
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