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ASSY® 4 HCR 1.4539 CS Stainless Steel Screw | Highly Corrosion Resistant | Countersunk Head | @Pack of 100 | by Wurth
ASSY® 4 HCR 1.4539 CS stainless steel screws are designed for outdoor use, featuring a highly corrosion-resistant 1.4539 material and a countersunk head for a perfect fit. Ideal for timber construction and facades, these screws ensure durability in high chloride environments, making them perfect for play equipment and boardwalks.
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Product Name/Title: ASSY® 4 HCR 1.4539 CS Stainless Steel Screw | Highly Corrosion Resistant | Countersunk Head | @Pack of 100 | by Wurth
Brand: Wurth
SKU: 18795080
Alternatively Known As: Stainless steel wood screw, corrosion resistant wood screw, countersunk head screw, partial thread screw, HCR stainless steel screw
Technical Specifications
- Nominal diameter: 5 mm
- Length: 80 mm
- Head type: Countersunk head
- Head diameter: 9.6 mm
- Head height: 3.2 mm
- Internal drive: RW20
- Thread type: Wood screw thread
- Thread design: Partial thread
- Thread form: Single start thread
- Thread length: 50 mm
- Core diameter: 3.2 mm
- Tip shape: Tip with hilltop milling cutter
- Tip angle: 34 degrees
- Material: Stainless steel 1.4539 (X1NiCrMoCu25-20-5)
- Surface finish: Plain
- Min/max screw-in angle: 0-90 degrees
- Product weight per item: 7.280 g
- Suitable materials: Wood, derived timber product, softwood, plywood (BSP), hardwood, LVL
- Area of application: Outdoors, facades, wet areas, timber construction, ocean climate, play equipment, boardwalk, terrace, fence
- Suitable machines: Würth BS 14-A Combi
- Approval: ETA-11/0190
- Screw requiring approval: Yes
- RoHS-compliant: Yes
- Dimensions (H x L x W): 3.2mm x 80mm x 5mm
- Weight: 0.0073 kg
Key Features
- Made of high-quality austenitic HCR stainless steel 1.4539 with corrosion resistance class IV
- Partial thread wood screw with reinforced, asymmetrical thread flank geometry for higher power transmission
- Countersunk head with 90° angle for perfect fit in metal countersinks
- RW20 internal drive for ideal power transmission and fewer bit changes
- Smooth thread start reduces screw-in force and splitting effect
- Non-magnetic, non-rusting stainless steel suitable for high chloride or SO2-contaminated areas
- Tip with hilltop milling cutter and 34° tip angle for optimized recessing and biting
- Pulls together without head milling due to lack of milling elements below the head
Professional Installation Requirements
- Professional installation recommended by qualified personnel to ensure correct fastening and compliance with safety standards.
Applications
- Outdoor use in facades, wet areas, timber construction
- Ocean climate environments
- Play equipment, boardwalks, terraces, fences
- Suitable for wood, derived timber products, softwood, plywood (BSP), hardwood, LVL
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Made from corrosion-resistant stainless steel for long service life reducing replacement frequency
- RoHS-compliant ensuring no hazardous substances
- Suitable for outdoor use reducing environmental impact of frequent repairs
Warranty Information
Warranty as per Wurth standard terms and conditions. Please refer to Wurth for detailed warranty information.
Available Now
Available for immediate purchase. Ideal for outdoor timber construction, facades, and environments exposed to high corrosion.
