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ASSY® 4 A2 RCS Fittings Screw A2 Stainless Steel Full Thread & Raised Countersunk Head Variant-1 Wurth
ASSY® 4 A2 RCS fittings screws are crafted from high-quality A2 stainless steel, featuring a full thread and a visually appealing raised countersunk head.
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Technical Specifications
- Nominal diameter: 4 mm
- Length: 25 mm
- Thread type: Wood screw thread
- Thread design: Full thread
- Thread form: Single start thread
- Thread length: 21 mm
- Core diameter: 2.5 mm
- Tip shape: Tip with hilltop milling cutter
- Tip angle: 28 degrees
- Head type: Raised countersunk head
- Head diameter: 8 mm
- Head height: 2.5 mm
- Internal drive: RW20
- Material: Stainless steel A2
- Surface finish: Plain
- Max screw-in angle: 90 degrees
- Min screw-in angle: 0 degrees
- Product weight per item: 1.754 g
- Suitable materials: Wood, derived timber product, softwood, board plywood (BSP), hardwood, LVL
- Screw requiring approval: Yes
- Approval: ETA-11/0190
- RoHS-compliant: Yes
- Dimensions (H x L x W): 2.5mm x 25mm x 8mm
- Weight: 0.00175 kg
Key Features
- Full-thread screw made of high-quality austenitic A2 stainless steel
- Visually pleasing, rounded raised countersunk head for fastening metal to wood in outdoor areas exposed to the elements
- Ideal power transmission thanks to RW drive
- Larger contact area at the bit for more power
- Tight-fit recess and perfect fit of the bit for stability, one-handed working, and precise positioning
- Compatibility with previous AW drive
- Form-fit connection of the 90° countersunk head to metal fittings with 90° countersinks or in wooden products with high bulk density
- Lens-shaped, rounded head for visually appealing connections
- Higher breaking torque and power transmission in hardwoods due to reinforced, asymmetrical thread flank geometry
- Better anchoring thanks to higher thread flanks
- 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 allows reduction of screw-in force
- Made of austenitic, non-magnetic, and non-rusting A2 stainless steel
- Suitable for use in rural or urban environments
Professional Installation Requirements
- Professional installation recommended to ensure correct fastening and compliance with structural requirements.
Applications
- Façades
- Terrace
- Fence
- Structural woodwork
- Wet areas
- Balcony
- Board walk
- Play equipment
- Outdoors
Standards & Compliance
- Complies with AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
- Made from corrosion-resistant stainless steel for long-lasting durability, reducing the need for frequent replacements
- Suitable for outdoor use, minimizing environmental impact through extended product life
Warranty Information
Warranty information available upon request from Wurth. Typically includes coverage against manufacturing defects.
Available Now
Wurth ASSY® 4 A2 RCS stainless steel screws are available for immediate purchase, ideal for outdoor wood fastening applications requiring corrosion resistance and high strength.
