Trade Discount 20%
ASSY® 4 A2 CS Fittings Screw | A2 Stainless Steel | Full Thread Countersunk Head | @Pack of 500 | 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 seamless integration into wood. Ideal for outdoor applications, these screws ensure durability and corrosion resistance, making them perfect for structural woodwork, terraces, and fences. With an RW10 internal drive, they provide optimal power transmission and stability during installation.
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Product Name/Title: ASSY® 4 A2 CS Fittings Screw | A2 Stainless Steel | Full Thread Countersunk Head | @Pack of 500 | by Wurth
Brand: Wurth
SKU: 18723025
Alternatively Known As: A2 stainless steel wood screws, countersunk head stainless screws, full thread wood screws, outdoor stainless steel screws
Technical Specifications
- Nominal diameter: 3 mm
- Length: 25 mm
- Head type: Countersunk head
- Head diameter: 5.9 mm
- Head height: 1.9 mm
- Internal drive: RW10
- Thread type: Wood screw thread
- Thread design: Full thread
- Thread form: Single start thread
- Thread length: 22 mm
- Core diameter: 2 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: 0.857 g
- Suitable materials: Wood, derived timber products, softwood, board plywood (BSP), hardwood, LVL
- Suitable machines: Würth BS 12-A Power
- Approval: ETA-11/0190
- Screw requiring approval: Yes
- RoHS-compliant: Yes
- Dimensions (H x L x W): 25mm x 25mm x 3mm
- Weight: 0.000857 kg
Key Features
- Made of high-quality austenitic A2 stainless steel with countersunk head
- Full-thread wood screw thread design with single start thread
- RW10 internal drive for ideal power transmission and fewer bit changes
- Larger contact area at the bit for more power and stability
- Tight-fit recess for precise positioning and one-handed working
- Form-fitting connection to metal fittings or wooden products with high bulk density
- Perfect fit of 90° head in fitting parts with metal countersinks
- Pulls together without head milling due to lack of milling elements below the head
- Higher breaking torque and power transmission in hardwoods due to reinforced asymmetrical thread flank geometry
- Smooth thread start ensures optimized recessing and biting of the screw
- Reduced splitting effect due to displacement effect of 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 weather-exposed wood connections
Professional Installation Requirements
- Professional installation recommended to ensure correct screw selection and secure fixing, especially for structural woodwork and outdoor applications.
Applications
- Façades
- Terrace
- Fence
- Structural woodwork
- Wet areas
- Balcony
- Board walk
- Play equipment
- Outdoors
Standards & Compliance
- 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
- RoHS-compliant ensuring reduced hazardous substances
Warranty Information
Wurth provides warranty coverage against manufacturing defects as per company policy.
Available Now
Wurth ASSY® 4 A2 CS stainless steel full thread countersunk head screws are available for immediate purchase. Ideal for outdoor wood fixing applications requiring corrosion resistance and high durability.
