Self-Tapping Screw

1. Main features
Self-tapping ability: The tip is designed to be sharp and can penetrate materials such as metal, plastic, wood, etc., while forming a matching thread.
High tightness: The thread is deep, providing good anti-vibration and anti-loosening performance.
No pre-drilling required (some types): Especially suitable for thin plates or soft materials, but hard materials may require pre-drilling (pilot holes).

2. Application scenarios
Metal sheets: such as air conditioner housings, metal roofs.
Plastic parts: electrical housings, car interiors.
Wood: furniture assembly, wooden structure fixing.
Composite materials: such as fiberglass, gypsum board.

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