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ASSY® 4 A2 CS Fittings Screw | A2 Stainless Steel | Full Thread Countersunk Head | Corrosion Resistant | @Pack of 200 | by Wurth
ASSY® 4 A2 CS fittings screws are crafted from high-quality A2 stainless steel, featuring a full thread design and countersunk head for optimal power transmission. Perfect for outdoor applications, these screws ensure durability and corrosion resistance, making them ideal for structural woodwork, façades, and more. With a tight-fit recess for precise positioning, they are designed for professional installation to guarantee secure fixing in wood and metal fittings.
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Product Name/Title: ASSY® 4 A2 CS Fittings Screw | A2 Stainless Steel | Full Thread Countersunk Head | Corrosion Resistant | @Pack of 200 | by Wurth
Brand: Wurth
SKU: 18723520
Alternatively Known As: A2 stainless steel wood screws, countersunk head screws, full thread wood screws, outdoor stainless steel screws, corrosion resistant wood screws
Technical Specifications
- Nominal diameter: 3.5 mm
- Length: 20 mm
- Head type: Countersunk head
- Head diameter: 7 mm
- Head height: 2.3 mm
- Internal drive: RW20
- Thread type: Wood screw thread
- Thread design: Full thread
- Thread form: Single start thread
- Thread length: 17 mm
- Core diameter: 2.1 mm
- Tip shape: Tip with hilltop milling cutter
- Tip angle: 28 degrees
- Material: Stainless steel A2
- Surface finish: Plain
- Screw-in angle range: 0-90 degrees
- Product weight per item: 0.950 g
- Suitable materials: Wood, derived timber products, softwood, board plywood, hardwood, LVL
- Suitable machines: Würth BS 12-A Power
- Approval: ETA-11/0190
- RoHS compliant: Yes
- Dimensions (H x L x W): 2.3mm x 20mm x 7mm
- Weight: 0.00095 kg
Key Features
- Made of high-quality austenitic A2 stainless steel with countersunk head
- Full-thread wood screw thread design with single start thread
- Ideal power transmission thanks to RW drive
- Larger contact area at the bit for more power
- Tight-fit recess for precise positioning and one-handed working
- Compatibility with previous AW drive
- Form-fitting connection to metal fittings or wooden products with high bulk density
- Perfect fit of 90° head in fitting parts with metal countersinks
- Higher breaking torque and power transmission in hardwoods
- Smooth thread start ensures optimized recessing and biting
- Reduced splitting effect due to dome-shaped milling elements in the tip
- Friction-reduced thread rotation reduces screw-in force
- Non-magnetic and non-rusting A2 stainless steel suitable for outdoor weathering
Professional Installation Requirements
- Professional installation recommended to ensure correct screw selection and secure fixing in wood and metal fittings.
Applications
- Façades
- Terrace
- Fence
- Structural woodwork
- Wet areas
- Balcony
- Board walk
- Play equipment
- Outdoors
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Made from corrosion-resistant stainless steel for long-lasting durability reducing replacement waste
- Suitable for outdoor use minimizing environmental impact from frequent repairs
Warranty Information
Warranty as per Wurth standard terms and conditions.
Available Now
Wurth ASSY® 4 A2 CS stainless steel screws are available for immediate purchase, ideal for outdoor wood fixing applications requiring corrosion resistance and high strength.
