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Stainless Steel Truss Head Self-Tapping Screw

Specification: 4.8 × 16
Material: Stainless Steel
Application: Window Sash Installation

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Stainless Steel Truss Head Self-Tapping Screw Featured Image
  • SUS 304 / 316

    Material Grade

  • Truss Head (Phillips Drive)

    Head Type

  • ST2.9 – ST6.3

    Thread Diameter

  • 2-3 Weeks

    Lead Time

  • Grade A2/A4

    Corrosion Resistance

Introduction

High-Performance Facade Fasteners

Our Stainless Steel Truss Head Self-Tapping Screws are manufactured from premium 304-grade steel, ensuring exceptional brightness and long-term durability. These fasteners are specifically designed for curtain wall engineering and hardware accessory installation where a low-profile, wide-bearing surface is required.

Benefits

Why Choose Our Truss Head Fasteners

  • Superior 304 Grade Corrosion Resistance

    The high chromium and nickel content provides excellent protection against atmospheric corrosion in diverse climates.

  • Enhanced Load Distribution Profile

    The extra-wide truss head design increases the bearing surface, preventing material pull-through in thin aluminum sheets.

  • Precision Self-Tapping Thread Geometry

    Engineered for efficient chip removal and high pull-out strength when fastening into metal substrates.

  • Aesthetic and Clean Finish

    The polished stainless steel surface remains bright and clean over time, maintaining the visual integrity of the facade system.

Standard

Customization and Technical Compliance

Available in a comprehensive range of lengths and diameters according to DIN 7981 or ISO 7049 standards to meet specific engineering requirements.

While 304 stainless steel is standard, we offer 316-grade options for coastal projects and various surface treatments including passivated or black oxide finishes.

Applications

Related Applications

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FAQS

Frequently Asked Questions

Technical guidance on selecting and installing our stainless steel self-tapping fasteners for facade systems.

Are these screws suitable for outdoor curtain wall applications?
Yes, the 304 stainless steel construction is specifically designed for exterior durability and resistance to oxidation.
What is the advantage of a truss head over a pan head?
The truss head has a lower profile and a wider surface area, which distributes pressure more evenly across the fastened material.
Do these require a pilot hole for aluminum profiles?
Yes, for most structural aluminum thicknesses, a pre-drilled pilot hole is recommended to ensure optimal thread engagement.
Can you provide 316 stainless steel for high-salinity environments?
Absolutely. We offer 316 (A4) grade stainless steel for projects located within 5km of the coastline to prevent tea-staining.
What drive system is used for these screws?
These screws feature a standard Phillips cross-recess drive for easy installation with common power tools.
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