Expansion Anchor

1. Structural composition:
Bolt: usually a metal screw (steel or stainless steel).
Expansion sleeve (tube): a metal sleeve with an opening or serrations on the bolt.
Nuts and washers: used to compress the expansion sleeve to expand when tightening.

2. Working principle:
After drilling, insert the expansion bolt. When tightening the nut, the bolt pulls upward, forcing the expansion sleeve to expand outward and fit tightly with the hole wall.
Fixation is achieved through friction and mechanical bite.

3. Application scenarios:
Construction field: fixed brackets, guardrails, pipes, air conditioners, etc.
Home installation: hanging TVs, cabinets, chandeliers.
Industrial equipment: fixing heavy machinery or steel structures.

4. Product classification
Colored zinc-plated expansion screws, white zinc-plated expansion screws, 201 stainless steel expansion screws, 304 stainless steel expansion screws