Galvanized Hex Head Heavy Duty Self Drilling Screws for Steel
Stop wasting time and money on pre-drilling! Our Galvanized Hex Head Heavy Duty Self Drilling Screws are engineered specifically for fast, secure, and reliable connections in steel-to-steel applications. Combining a robust hex head, high-strength steel core, corrosion-resistant zinc plating, and an integrated drill point, these screws deliver unmatched performance for demanding industrial, construction, and fabrication projects.
High-quality zinc plating provides a sacrificial barrier against rust and corrosion, significantly extending service life in harsh environments (humidity, rain, industrial atmospheres). Options include standard zinc plating for general use or heavy-duty hot-dip galvanized (HDG) for superior protection in highly corrosive conditions.
Hex washer head (HWH) or hex flange head designed for high-torque driving with impact drivers, wrenches, or sockets. Eliminates cam-out and ensures positive engagement with integrated washer/flange for superior load distribution.
Manufactured from premium heat-treated steel for high hardness and exceptional mechanical properties. Offers superior tensile and shear strength to withstand heavy loads, vibration, and structural stresses.
Sharp, hardened drill point specifically designed to penetrate steel effortlessly. Available in standard drill point sizes (#2, #3, #4, #5) to match steel thickness capacity. Reduces installation time by up to 50% while optimizing chip removal for smoother drilling.
| Attribute | Value |
|---|---|
| Material | Steel (Stainless Steel, Carbon Steel options available) |
| Finish | Zinc plated, Black Oxide, Cadmium Plated, Zinc-aluminum Coated |
| Head Style | Hex |
| Length | 1mm~500mm |
| Thread Type | Self-drilling Thread |
| Grade | 4.8/8.8/10.9/12.9 |
| Standards | ISO, DIN, JIS |
| Certificate | ISO9001:2015, RoHs |
- OEM/ODM Support: Full custom packaging, branding, and documentation
- Quality Assurance: ISO 9001-certified with full material traceability
- Flexible MOQs: From prototype batches to large-scale production
- Fast Turnaround: 10-15 days for standard orders
A: We offer stainless steel (SS303, SS304, SS316), carbon steel (C1006-C1045), brass, and aluminum options, or can customize to your requirements.
A: We accept orders from 1 piece for samples up to 30,000+ pieces for bulk production.
A: Standard orders ship in 5-7 working days, while customized orders take 15-25 working days. Expedited options are available.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.