Product Overview
Our galvanized cross pan head self-drilling screws are engineered for fast and reliable fastening in thin metal sheets, aluminum profiles, and composite materials. Featuring a precision-machined drill tail and Phillips drive, these screws eliminate the need for pre-drilling.Manufactured from high-strength carbon steel and treated with blue-white zinc electroplating, they offer excellent corrosion resistance and long-lasting durability in humid and tropical environments. Ideal for construction, HVAC, roofing, and light industrial applications across Southeast Asia, Africa, and the Middle East.Available in various sizes from 4.2×13mm to 4.2×50mm.
Technical Specifications
| Material | Made from Q235 carbon steel, offering high tensile strength and durability. Ideal for industrial-grade self-tapping screw applications. |
| Surface Treatment | Finished with blue-white zinc plating (thickness: 5–8μm) to enhance corrosion resistance in humid and coastal environments.(5-8μm) |
| Strength Grade | Grade A mechanical performance, equivalent to ISO Grade 4.8, suitable for general construction and light steel frame systems. |
| Head Type | Cross large flat head design, compatible with PH2 Phillips driver. Provides broad surface contact and reduced deformation during fastening. |
| Thread Specification | Features a double lead self-tapping thread, ensuring fast drilling speed and secure fixing into thin metal or sheet materials. |
| Corrosion Resistance | 72-hour Salt Spray Test |
| Suitable Plate Thickness | Designed for fixing onto metal sheets from 0.5mm to 2.0mm, including galvanized steel and aluminum plates. |
| Standard Certification | Manufactured in compliance with general industrial standards and widely accepted across Southeast Asia, Africa, and the Middle East markets. |
| Available Sizes | 4.2×13mm (1/2″), 4.2×16mm (5/8″), 4.2×20mm (3/4″), 4.2×25mm (1″), 4.2×32mm (1-1/4″), 4.2×38mm (1-1/2″), 4.2×50mm (2″) |
Application Scenarios
These high-quality galvanized self-drilling screws feature a durable cross pan head design, offering quick installation in steel applications without pre-drilling. As premium metal self-tapping screws, they combine a sharp drill point with corrosion-resistant zinc plating for reliable performance across Southeast Asia, the Middle East and Africa. Ideal for metal roofing, structural framing, and wood-to-metal connections, these pan head self-drilling screws provide superior holding power in both industrial and residential projects. The self-drilling screws for steel are particularly valued for their time-saving installation and long-lasting durability.
Metal Sheet Fixing
Commonly used by HVAC and roofing contractors, these self-drilling screws fasten directly into metal sheets up to 2mm thick without pre-drilling. The flat head design sits flush, making them suitable for visible surfaces.
Wood-to-Metal Framing
Ideal for connecting plywood, particle board, or wood panels to light steel frames. The wide pan head prevents the screw from sinking into soft materials and ensures a tight hold.
Interior Installation
Used by interior builders to mount ceiling panels, ventilation grilles, or cable trays. The cross-recessed head allows quick installation using standard PH2 bits.
Light-Duty Shelving & Fixtures
In workshops, storage areas, or homes, these screws are often used to assemble metal racks, brackets, and utility shelves.
Electrical Box Mounting
Preferred by electricians when securing metal switch boxes or enclosures to walls. The drill tail ensures clean penetration and a firm hold in thin gauge steel.
Product Quality Certificate
Quality Certification Standards
Product quality is our priority, validated by Hebei Provincial Fastener Product Quality Supervision and Inspection Center. This authoritative provincial institution has rigorously tested our screws, nuts and bolts for material, hardness, strength, precision and corrosion resistance—all meeting or exceeding industry standards. This certification guarantees reliable performance for your projects.
Product Packaging Specifications
Comprehensive Packaging Solutions
- Inner Packaging: 25kg per woven bag or small box, PE bag lining
- Outer Packaging: 900kg wooden pallets or fumigated plywood cases
- Custom Packaging: Logo boxes, barcode stickers available on request
Manufacturing Facility Overview
Advanced Manufacturing Facility
Our 5,000㎡ workshop features clear zones for raw materials, processing, testing and finished goods. Equipped with over 50 advanced CNC machines and cold headers, we achieve ±0.01mm precision from wire to finished fasteners. 20+ skilled staff monitor production, while a dedicated lab with tensile testers and spectrometers ensures strict quality checks—rejecting all substandard products.
Customer Service Policy
Return & Exchange Policy
We stand behind our high-quality fasteners. For defective products, returns are accepted within 7 days of receipt (unused, in original packaging, with defect evidence); we refund product cost (shipping non-refundable). Exchanges for wrong specs or minor defects (unused) are allowed within 7 days, with customer covering shipping. Not accepted: customer-caused errors, used/damaged products, requests after 7 days.
Frequently Asked Questions
Do these self-drilling screws comply with any international standards?
Yes. Our galvanized cross pan head self-drilling screws are manufactured in accordance with DIN 7504N and tested to meet ISO 9001 quality standards. Salt spray resistance exceeds 72 hours, suitable for export-grade construction fasteners.
Can these screws be used on both metal and wood?
Yes. These self-drilling screws are compatible with thin steel (up to 2mm) and aluminum sheets, commonly used in roofing, cladding, HVAC ducts, and light steel frames. The sharp drill tail ensures clean penetration without pilot holes.
Can I request product samples before placing a large order?
Absolutely. We provide free samples of our galvanized pan head self-drilling screws for quality checking. Just let us know the sizes and your courier account, and we’ll arrange dispatch within 2–3 working days.
Do you offer customized lengths or packaging?
Yes, custom sizes, packaging, and logos are available for OEM orders. We support flexible manufacturing to meet specific market requirements across Southeast Asia. Please consult us for minimum order quantities and lead times.
What packaging options are available for wholesale or container shipments?
We offer bulk cartons (25kg/ctn), color boxes, poly bags, or OEM printed packaging based on your requirements. All self-drilling screws are packed securely for sea shipment and palletized for efficient container loading.
Contact Us
Need more information about our Zinc-Plated Cross Large Flat Head Drill Tail Screws or have special requirements? Our technical sales team is ready to serve customers across Southeast Asia.
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