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Stainless Steel Self-Drilling Screw

Specification: 4.8 × 20
Material: Stainless Steel
Application: Fire Protection Layer (Beam Area)

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Stainless Steel Self-Drilling Screw Featured Image
  • SUS 304 / 316 / 410

    Material Grade

  • Up to 12mm Steel

    Drilling Capacity

  • Pan / Wafer / Hex Head

    Head Type

  • 2-3 Weeks

    Lead Time

  • 25 Years

    Design Life

Introduction

High-Strength Fastening Solutions

Our stainless steel self-drilling screws are specifically engineered for the facade industry, eliminating the need for pre-drilling in aluminum and steel substrates. These fasteners provide exceptional shear strength and long-term durability in demanding exterior environments.

Benefits

Why Choose Our Self-Drilling Screws

  • Superior Corrosion Resistance for Facades

    Available in 304 and 316 grades to prevent galvanic corrosion and rust streaking on architectural panels.

  • Enhanced Installation Speed and Efficiency

    The integrated drill point allows for one-step drilling, tapping, and fastening, significantly reducing labor time on-site.

  • High Torque and Shear Performance

    Manufactured to withstand high mechanical loads and thermal expansion cycles common in curtain wall systems.

  • Precision Threading for Secure Grip

    Engineered thread patterns ensure maximum pull-out resistance and a vibration-proof fit in metal-to-metal applications.

Standard

Technical Standards & Customization

Our fasteners comply with international DIN and ISO standards for mechanical properties and dimensional accuracy, ensuring compatibility with global curtain wall engineering requirements.

Available in various lengths from 13mm to 150mm, with optional EPDM washers for watertight sealing and customized powder coating to match any RAL facade color.

Applications

Related Applications

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FAQS

Frequently Asked Questions

Technical guidance on selecting and installing stainless steel fasteners for architectural projects.

Which stainless steel grade is best for coastal projects?
Grade 316 is recommended for coastal environments due to its superior resistance to chloride-induced pitting and corrosion.
Can these screws drill through heavy structural steel?
Yes, our high-performance series can penetrate steel thicknesses up to 12mm depending on the specific drill point size (P3 to P5).
Do you offer color-matched screw heads?
We provide professional powder coating services to match the screw heads to your specific aluminum profile or panel finish.
What is the difference between self-tapping and self-drilling?
Self-drilling screws have a point shaped like a drill bit to create their own hole, while self-tapping screws require a pre-drilled pilot hole.
Are these screws compatible with aluminum profiles?
Absolutely. They are designed for aluminum-to-aluminum and aluminum-to-steel connections, often used with isolation washers to prevent bimetallic corrosion.
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