ForgeFix TechFast Roofing Screws 5.5x40mm Hex Head - Box of 100
ForgeFix TechFast屋顶螺丝5.5x40mm：专为金属屋面固定设计，带垫圈，100颗装。Elementech涂层耐腐蚀、防火，1000小时盐雾测试，适用于钢框架建筑。
The **ForgeFix TechFast Roofing Screws** are heavy-duty fasteners designed specifically for joining metal roofing panels to steel frame buildings. These screws offer exceptional durability and weather resistance, making them ideal for outdoor roofing applications.
Key features include fire resistance and corrosion resistance, thanks to the Elementech coating which has been salt spray tested to 1000 hours—ensuring long-term performance even in harsh environments. The screws comply with all EU Safety, Health, and Environmental requirements, providing peace of mind for professional and DIY use alike.
Specifications & Features:
- Size (Diameter x Length): 5.5 x 40mm
- Effective Thread Length: 21mm
- Head Type: 8mm Hex (hexagonal head for secure grip with compatible drivers)
- Drill Tip: No.5 (self-drilling in heavy gauge steel up to 12.5mm, eliminating the need for pre-drilling)
- Pack Size: 100 screws per box
These screws are supplied without washers for a direct, flush mounting solution. Their heavy-duty construction ensures they can withstand high-stress applications without compromising performance.
- 材质：Elementech涂层钢
- 颜色：金属质
- 尺寸：5.5x40mm
- 有效螺纹长度：21mm
- 头部类型：六角头（8mm）
- 钻尖类型：5号钻尖
- 包装规格：100颗/盒
- 重量：691克
- 特点：防火, 防锈, 耐候性
- 安装：无垫片设计
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