Timco Heavy Duty Hex Screws with EPDM Washer, Silver Organic, 5.5x100mm (100pc)

The Timco Heavy Duty Hex Screws with EPDM Washer are premium quality self-drilling screws designed for attaching metal to heavy section steel up to 12mm thick without pre-drilling. These screws feature a silver organic exterior plating that provides outstanding corrosion resistance, enduring up to 500 hours of salt-spray testing—ideal for exterior applications where durability is crucial.

Key Features:

• Self-Drilling Tip: Saves time and labour with no need for pre-drilling.
• Partial Threading: Ensures strong joint retention while reducing material stress.
• Corrosion-Resistant Coating: Silver organic finish extends lifespan in harsh environments.
• EPDM Washer: Provides a watertight seal, preventing moisture ingress and loosening.
• Case & Core Hardened Carbon Steel Construction: Delivers high strength and durability.

Applications:

• Metal Cladding & Roofing
• Structural Steelwork
• Heavy-Duty Fabrication
• Exterior Installations

Specifications:

• Thread Diameter: 5.5mm
• Length: 100mm
• Head Type: Hex
• Washer Diameter: 12mm
• Point Type: Self-Drilling (No.5)
• Socket Size: 8mm
• Finish: Silver Organic
• Material: Case & Core Hardened Carbon Steel
• Effective Thread Length: 53mm (Partially Threaded)
• Max Drilling Thickness: 12mm

With Timco’s commitment to quality, these screws ensure reliable performance even in demanding environments.