1. Structure and Features
Head shape: conical (usually 90° or 82° angle), flat top.
Embedded design: After installation, the head is flush with the workpiece surface, beautiful and avoids protrusions.
Drive mode: common cross slot (Phillips), slotted, hexagon socket (Allen), etc.
2. Application scenarios
Requires a flat surface: such as furniture, electronic products, and car interiors.
Fluid dynamics requirements: aircraft, ships, etc. Parts that need to reduce air/water flow resistance.
Aesthetic requirements: high-end decoration, precision instruments.
Product classification:
Material Iron
Category 4.8 Grade 8.8 Grade 10.9
Material Stainless steel
Category 201 304 316
Size classification: national standard, British, American
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