Trade Discount 20%
ASSY® 4 A2 CS Fittings Screw | A2 Stainless Steel | Full Thread Countersunk Head | 200 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 optimal power transmission. Perfect for outdoor and indoor wood fixing applications, these screws ensure durability and resistance to corrosion, making them ideal for structural woodwork, façades, and more.
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Technical Specifications
- Nominal diameter: 3.5 mm
- Length: 40 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: 35 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: 1.698 g
- Suitable materials: Wood, derived timber products, softwood, board plywood (BSP), 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 40mm x 7mm
- Weight: 0.002 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 with RW20 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 for optimized recessing and biting
- Reduced splitting effect due to dome-shaped milling elements at 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 for structural applications to ensure correct fixing and compliance with safety standards.
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
- Corrosion-resistant stainless steel extends product life, reducing replacement frequency and waste
- Suitable for outdoor use, minimizing environmental impact through durable construction
Warranty Information
Warranty details available upon request from Wurth; typically includes coverage against manufacturing defects.
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.
