
SS304 Bimetal Self-Drilling Screws
Need strong, rust-proof screws that are time- and labor-saving? Our SS304 Bimetal Self-Drilling Screws are designed for heavy use and rough environments. With a hardened steel drill point and SS304 stainless steel body, these screws drill directly into metal or wood without pre-drilling.
They are the best choice for applications where corrosion resistance and hardness are the primary concerns, i.e., for roofing, construction, cladding, HVAC fitments, and PEB frames.
Key Features & Benefits
Self-Drilling Tip – Easily pierces thick materials up to 12 mm without pilot holes.
High Strength – Durable, hardened drill point for best performance on hard surfaces.
Corrosion Resistant – SS304 body ensures long-lasting performance even under outdoor or moist conditions.
Multi-Use – Specifically designed for metal-to-metal and metal-to-wood uses.
Washer Details
- Material: Stainless Steel 304
- Diameter: 16 mm / 19 mm
- Thickness: 3 mm with 4 mm EPDM bonding
Made to form a watertight seal and resist weather or water erosion.
Available Sizes
Diameter: 5.5 mm and 6.3 mm
Drill Point #5 (useful for material thickness up to 12 mm)
These screws are a smart choice when you need quick installation, long life, and ultimate dependability—especially in corrosive conditions.