Trade Discount 20%
ASSY® 4 HCR 1.4539 Stainless Steel Screw Highly Corrosion Resistant Partial Thread Countersunk Head Wurth
The ASSY® 4 HCR 1.4539 stainless steel screw is designed for outdoor timber construction and marine applications
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Technical Specifications
- Dimensions (H x L x W): 70mm x 70mm x 5mm
- Weight: 0.0063 kg
Key Features
- Made of high-quality austenitic HCR stainless steel 1.4539 with countersunk head for wood-wood fastening in highly corrosive environments (corrosion resistance class IV).
- Partial thread design with RW drive for ideal power transmission and fewer bit changes.
- Larger contact area at the bit for more power and stability, enabling one-handed working and precise positioning.
- Compatibility with previous AW drive and form-fitting connection to metal fittings or wooden products with high bulk density.
- Perfect fit of 90° head in fitting parts with metal countersinks, pulling together without head milling.
- Higher breaking torque and power transmission in hardwoods due to reinforced, asymmetrical thread flank geometry.
- Smooth thread start for optimized recessing and biting, reducing splitting effect.
- Friction-reduced thread rotation lowers screw-in force required.
- Suitable for high chloride or SO2-contaminated areas with exposure to splash water or fog.
- Non-magnetic, non-rusting stainless steel, class HCR.
Professional Installation Requirements
- Recommended use with suitable machines such as Würth BS 14-A Combi for optimal installation performance.
Applications
- Outdoors
- Façades
- Wet areas
- Timber construction
- Ocean climate
- Play equipment
- Board walk
- Terrace
- Fence
Standards & Compliance
- AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Corrosion resistance extends product life, reducing replacement frequency and waste.
- Made from stainless steel which is recyclable and durable, minimizing environmental impact.
Warranty Information
Product complies with ETA-11/0190 approval and RoHS standards, ensuring quality and safety.
Available Now
The Wurth ASSY® 4 HCR 1.4539 stainless steel screw is available for immediate purchase, ideal for outdoor timber construction and marine applications.
