Customized Bimetal Self-Drilling Screws for Corrosion Resistance and Strength
Discover our high-performance Bimetal Self-Drilling Screws, designed to combine the best of both worlds — superior corrosion resistance and exceptional structural strength.
The stainless steel head provides excellent rust and corrosion protection, making these screws ideal for long-term outdoor applications. Meanwhile, the hardened carbon steel drill point ensures fast, clean, and efficient drilling into metal surfaces without the need for pre-drilling holes, saving you significant time and labor on-site.
Core Product Specifications
Our screws are fully customizable in size, coating/finish, and drive type to meet your specific project needs. Whether you need bulk packaging for large construction projects or retail boxes for smaller orders, we’ve got you covered. Reliable, durable, and easy to install — these bimetal screws are the smart choice for professionals who demand consistent quality and efficiency in their fasteners.
| Parameter | Specification | Description |
|---|---|---|
| Product Name | Bimetal Self-Drilling Screws | Dual-material self-drilling screws |
| Model Number | Customized Bimetal Screws | — |
| Standards | ASTM F3125 / ISO 1478 / ANSI B18.6.3 (Factory Certified) | Complies with international industrial quality standards |
| Application | Construction & Industrial Use | Metal roofing, steel structure, solar, general industrial |
Detailed Customization Options
Available dimensions and thread types for industrial & OEM orders.
| Specification Category | Available Options |
|---|---|
| Type | Hex Cap Screws, Socket Cap Screws, Self-Drilling Screws |
| Length | 55 mm, 70 mm, 80 mm, 90 mm, 100 mm, 120 mm, 150 mm, 170 mm, 180 mm, 200 mm, 220 mm (Custom range: 10–200 mm) |
| Thread Size | Metric: M2.5, M3.5, M3.9, M4.2, M4.8, M5.5, M6, M6.3 Imperial: #5, #6, #8, #10, #12, #14, 1/4″ |
* Other sizes, coatings, and drive types (Hex Washer, Phillips, Torx) are also available upon request.
Engineered for Extreme Durability
Dual-Material Construction: Stainless steel head + hardened carbon steel drill point delivers the perfect balance of corrosion resistance and drilling performance. No pre-drilling needed — the self-drilling point cuts through metal surfaces quickly, reducing installation time and labor costs.
Superior corrosion protection withstands salt spray testing for over 500 hours, making it ideal for outdoor, coastal, and long-term construction projects. Available in multiple drive types: Hex Washer Head, Phillips, and Torx options to match your tools and assembly requirements.
Full customization: various sizes, coatings, lengths, and packaging to fit specific project needs. Certified quality manufactured to meet ANSI, ASTM, and ISO standards for consistent quality and reliability.
Key Selling Points
- Dual-Material Construction: Stainless steel head + hardened carbon steel drill point
- No Pre-Drilling Needed: Cuts metal, reduces labor & installation time
- Superior Corrosion Protection: Withstands salt spray > 500 hours
- Multiple Drive Types: Hex Washer Head, Phillips, Torx options
- Full Customization: sizes, coatings, lengths, packaging
- Certified Quality: ANSI, ASTM, ISO standards
Precision Craftsmanship
Detailed views of our bimetal self-drilling screws — engineered for perfect installation and long-term performance.
Explore More Fastener Solutions
Direct Contact Channels
- One-stop service: design, customization, production, and global delivery
- OEM/ODM solutions for industrial and export-oriented buyers
