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ASSY® 4 A2 RCS Fittings Screw A2 Stainless Steel Full Thread & Raised Countersunk Head Variant-4 Wurth
ASSY® 4 A2 RCS fittings screw is crafted from high-quality A2 stainless steel, featuring a full thread design and a visually appealing raised countersunk head.
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Technical Specifications
- Nominal diameter: 4 mm
- Length: 30 mm
- Thread type: Wood screw thread
- Thread design: Full thread
- Thread form: Single start thread
- Thread length: 24 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: Plain
- Max screw-in angle: 90 degrees
- Min screw-in angle: 0 degrees
- Product weight per item: 1.791 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 30mm x 4mm
- Weight: 0.0018 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 with larger contact area at the bit.
- More stability, one-handed working, precise positioning due to tight-fit recess and perfect fit of the bit.
- Fewer bit changes, one bit for many screw diameters with compatibility to 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.
- Visually appealing connections due to lens-shaped, rounded head.
- Pulling together without head milling due to lack of milling elements; head is inserted by pressing.
- Higher breaking torque and power transmission in hardwoods due to reinforced, asymmetrical thread flank geometry of the single thread.
- 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.
- Stainless mounting for accessible wood connections in outdoor areas exposed to weathering.
- 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
- AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
- Made from corrosion-resistant stainless steel, increasing product lifespan and reducing replacement frequency.
- Suitable for outdoor use, minimizing environmental impact by durable fastening solutions.
Warranty Information
Wurth provides warranty coverage against manufacturing defects as per company policy.
Available Now
Wurth ASSY® 4 A2 RCS fittings screw pack of 200 pieces is available for immediate purchase, ideal for outdoor wood fastening applications.
