Product Overview
We supply cross countersunk head winged self-drilling screws made from Q235 carbon steel with blue-white zinc plating (5–8μm). Designed for fast wood-to-metal fastening, the drill tip cuts into thin steel (up to 2mm), while the winged shank clears wood for smooth thread engagement. The Phillips countersunk head ensures a flush finish.Sizes range from 4.2×16mm to 4.2×50mm. These self drilling screws are widely used in roofing, framing, and furniture assembly across Southeast Asia, Africa, and the Middle East.We also offer stainless self tapping screws for better corrosion resistance. As a China-based factory, we support OEM packaging, low MOQ, and quick lead times for bulk orders.
Technical Specifications
| Product Standard | Enterprise Standard (customizable to DIN or ANSI requirements) |
| Material | Q235 Carbon Steel |
| Surface Treatment | Blue-White Zinc Electroplating (Thickness 5-8μm) |
| Strength Grade | Grade A (Equivalent to Grade 4.8) |
| Head Type | Cross recessed countersunk head (compatible with PH2 bits) |
| Drill Tip | Integrated self-drilling point with winged shank (clip-ear type) |
| Corrosion Resistance | 72-hour Neutral Salt Spray Test |
| Recommended Sheet Thickness | Suitable for metal sheets from 0.5 to 1.5 mm |
| Wing Span (Clip-Ear Diameter) | 1.2–1.5× the diameter of the screw shaft |
| Available Sizes | 4.2×25 mm (1″), 4.2×32 mm (1‑1/4″), 4.2×38 mm (1‑1/2″), 4.2×50 mm (2″) |
Application Scenarios
These Cross Head Countersunk Self-Drilling Screws with Wings are widely used across Southeast Asia, the Middle East, and Africa in construction and interior projects that require flush, clean fastening of light metal components.
Metal Stud Framing
Perfect for fixing light steel profiles to studs. The winged self-drilling screws countersunk design ensures the screw sits flush, with no protruding head—ideal for wall partitions and ceiling tracks.
Door and Window Frame Installation
Used to attach aluminum and steel frames where a clean, embedded finish is required. The drill tail with clip-ears helps fasten into metal without damaging wood panels or claddings.
Electrical Boxes & Panel Work
These countersunk self-drilling screws with wings are suitable for fixing electrical enclosures and mounting brackets to sheet metal with a neat appearance and secure hold.
Furniture and Fixtures
Commonly used in factory-made furniture frames, storage racks, and metal cabinets. The flush countersunk head improves both safety and appearance.
Ceiling and Partition Systems
Ensures tight, hidden fastening in drywall ceiling systems and steel partition structures. Ideal for interior works where exposed fasteners are not acceptable.
Frequently Asked Questions
Are the screws compatible with PH2 drivers?
Yes. These cross recessed countersunk screws are designed for use with standard PH2 screwdrivers or bits, making them easy to install with most manual or electric tools commonly used on job sites. .
Is countersunk head suitable for visible surfaces?
Yes. The countersunk design allows the screw head to sit flush with the surface, offering a clean and smooth finish ideal for visible applications in architectural and furniture projects.
Can these winged self-drilling screws be used for wood-to-metal connections?
es. The clip-ear (winged) design is specifically made for wood-to-metal applications. The wings enlarge the hole in wood, allowing the drill tip to smoothly penetrate the underlying steel without damaging the threads—ideal for roofing, framing, and panel installations.
Can I request specific sizes or custom packaging?
Yes, we support custom sizes and packaging with your logo or design based on minimum order quantities. Our flexible manufacturing capabilities serve diverse market needs across Southeast Asia.
What surface treatment is used for corrosion protection?
The screws are finished with a blue-white zinc plating (5–8 μm thickness), providing strong corrosion resistance. They pass a 72-hour neutral salt spray test, making them suitable for humid regions in Southeast Asia, the Middle East, and coastal Africa.
Our Manufacturing Facility and Products
Direct Supply from Chinese Factory
Welcome to Handan Quanfan Metal Products Co., Ltd., a leading China manufacturer specializing in fasteners including self drilling screws, drywall screws, stainless steel bolts, self tapping screws, and grade 5 nuts.
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Need more information about our Cross Countersunk Head Clip-Ear Drill Tail Screws or have special requirements? Our technical sales team is ready to serve customers across Southeast Asia.
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