Product Overview
Galvanized Cross Recessed Pan Head Self-Drilling Screws from Quanfan are precision-made fasteners designed for strong, reliable connections. Sizes range from 13 mm (1/2″) to 70 mm (2 3/4″). Featuring durable galvanized coating for corrosion resistance and easy cross recessed drive installation, they suit roofing, metal fabrication, and industrial uses in Southeast Asia, Africa, and the Middle East. Perfect self drilling screws combining strength and longevity.
Technical Specifications
| Product Standard | DIN 571 4.2×13mm |
| Material | Q235 Carbon Steel (Tensile Strength ≥420MPa) |
| Surface Treatment | Blue-White Zinc Electroplating (Thickness 5-8μm) |
| Mechanical Performance | Grade 4.8 (Yield Strength ≥340MPa) |
| Head Type | Cross Pan Head (PH2 Bit Compatible) |
| Tail Design | Self-Drilling Double Lead Thread |
| Corrosion Resistance | 72-hour Neutral Salt Spray Test |
| Suitable Plate Thickness | 0.5-2.0mm Metal Sheets |
| Available Sizes | 13 mm (1/2″), 16 mm (5/8″), 19 mm (3/4″), 25 mm (1″), 32 mm (1 1/4″), 38 mm (1 1/2″), 50 mm (2″), 60 mm (2 3/8″), 70 mm (2 3/4″) |
Application Scenarios
Our Self-Drilling Screws, featuring durable galvanized coating and pan head design, are widely used in roofing, metal fabrication, and industrial construction. These galvanized pan head screws provide strong fastening solutions for steel structures, solar panel installations, HVAC systems, and machinery assembly. Ideal for projects requiring corrosion resistance and reliable performance, especially in harsh environments.:
Light Steel Construction
For fastening metal sheets, purlins, and brackets in residential and commercial buildings
HVAC & Electrical Installations
Secure ducts, junction boxes, and cable trays in air conditioning and electrical systems
Appliance Manufacturing
Fixing thin metal panels in household or industrial equipment assembly
Furniture Assembly
Used in lightweight metal frame connections for office and industrial furniture
General Indoor Projects
Ideal for any fast installation on steel or aluminum substrates in interior applications
Frequently Asked Questions
Are these screws suitable for outdoor use?
The blue-white zinc coating provides basic rust protection suitable for indoor applications. For better corrosion resistance in outdoor environments, stainless steel or hot-dip galvanized options are recommended.
Can you supply mixed sizes in one order?
Yes, we support mixed sizes in full container loads or cartons, depending on your quantity requirements. This flexibility helps optimize your inventory management across Southeast Asia.
What is the recommended drill speed for these screws?
1500–2500 RPM is recommended for efficient drilling into metal without damaging the drill tip. This speed range ensures optimal performance and tool longevity.
Do you provide samples before bulk production?
Yes, free samples are available for testing and verification. Courier cost can be paid by the buyer or collected via their courier account for convenient delivery across Southeast Asia.
What is the packaging standard for export?
Standard packaging is 1,000 pcs/box, 10 boxes/carton with pallet for efficient shipping. OEM packaging is also available upon request to meet specific market requirements.
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 Zinc-Plated Cross Pan Head Drill Tail Screws or have special requirements? Our technical sales team is ready to serve customers across Southeast Asia.
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