Trade Discount 20%
ASSY® 4 A2 CS Fittings Screw | A2 Stainless Steel | Full Thread Countersunk Head | 500 PCS | 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 installation. Ideal for both indoor and outdoor wood fixing applications, these screws ensure durability and resistance to corrosion, making them perfect for façades, terraces, and structural woodwork. With a tight-fit recess for precise positioning, they offer enhanced power transmission and reduced splitting effects.
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Product Name/Title: ASSY® 4 A2 CS Fittings Screw | A2 Stainless Steel | Full Thread Countersunk Head | 500 PCS | by Wurth
Brand: Wurth
SKU: 18723020
Alternatively Known As: A2 stainless steel wood screws, countersunk head screws, full thread wood screws, stainless steel fixing screws
Technical Specifications
- Nominal diameter: 3 mm
- Length: 20 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: 17 mm
- Core diameter: 2 mm
- Tip shape: Tip with hilltop milling cutter
- Tip angle: 28 degrees
- Material: Stainless steel A2
- Surface: Plain
- Min/max screw-in angle: 0-90 degrees
- Product weight per item: 0.714 g
- Suitable materials: Wood, derived timber product, 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): 1.9mm x 20mm x 5.9mm
- Weight: 0.000714 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 due to reinforced asymmetrical thread flank geometry
- 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 weather-exposed wood connections
Professional Installation Requirements
- Installation by a qualified professional is recommended to ensure proper fixing and compliance with safety standards.
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 frequency
- RoHS-compliant ensuring no hazardous substances
Warranty Information
Warranty as per Wurth standard terms and conditions.
Available Now
Wurth ASSY® 4 A2 CS stainless steel full thread countersunk head screws are available for immediate purchase, ideal for outdoor and indoor wood fixing applications exposed to weather and corrosion.
