




Hardware & Tools
BT304+435 Composite Self-Drilling Screws
Description
BT304+435 composite self-drilling screws are bimetallic composite self-drilling screws made of 304 stainless steel and carbon steel, offering high strength and corrosion resistance. Suitable for steel structure, photovoltaic, door and window curtain wall industries.
Get a Quote for This Product
100% Refund Guarantee24h Response100K+ Verified FactoriesYour data is safe
Free China Sourcing Guide
Learn how to find reliable factories, avoid scams, negotiate prices, and manage quality -- all from our years of on-the-ground experience in Ningbo.