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Heavy-Duty Self-Drilling Screws Direct from China's Premier Manufacturing Hub

Eliminate middlemen. Access wholesale pricing. Partner with a source factory producing millions of fasteners daily from Shahe, Hebei—China's premier fastener manufacturing region.

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Direct Line: +86 185 0319 2992

Why Choose CHENQIDA

Your competitive advantage starts with our manufacturing excellence

Massive Production Capacity

State-of-the-art automation. Reliably fulfill container and bulk orders without delays.

10M+ pieces/day

Premium Material & Hardness

Premium C1022A carbon steel, case-hardened. Ultra-fast penetration through heavy-gauge steel.

HRC 52-58 hardness rating

100% Quality Inspected

In-house laboratory testing: drilling speed, torque resistance, salt spray corrosion. MTC and inspection reports with every shipment.

100% inspected

Strategic Location Advantage

Based in Shahe, Hebei—China's premier fastener manufacturing region. Direct access to raw materials and rapid container loading.

24-48h container loading

Product Range & Technical Specifications

Comprehensive fastener solutions for industrial applications

Hex Washer Head Self-Drilling Screws

Hex Washer Head Self-Drilling Screws

Engineered for heavy-duty steel-to-steel roofing and structural framing. Deep threads for maximum pull-out strength.

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Pan & Countersunk Head Screws

Pan & Countersunk Head Screws

Perfect for low-profile flush finishes in metal sheeting, window profiles, and automotive assemblies.

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Premium Rust-Resistant Coatings

Premium Rust-Resistant Coatings

Available in Clear/Yellow Zinc plating, Phosphated, and multi-layer Ruspert coating for superior salt spray endurance.

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Custom Tailored Specifications

Custom Tailored Specifications

Full size tracking from #6 to #14. Precise drilling points customized based on your targeted steel penetration thickness.

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Materials

  • Carbon Steel: Premium C1022A
  • Stainless Steel: SUS304 / SUS316
  • Heat Treatment: Case-hardened core

Head Styles

  • Hex Washer Head
  • Pan Head
  • Flat / Countersunk Head
  • Truss Head

Size Range

  • Thread Diameter: #6 (3.5mm) to #14 (6.3mm)
  • Length Range: 1/2" (13mm) to 6" (150mm)
  • Drilling Capacity: Up to 1/2" (12mm) steel plates

Surface Treatments

  • Zinc Plated (White / Yellow)
  • Ruspert Coating
  • Phosphated
  • Dacromet (upon request)

Ready to Optimize Your Supply Chain?

Partner with CHENQIDA for factory-direct pricing and reliable supply of premium fasteners.

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WhatsApp/Phone: +86 185 0319 2992