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ASSY® 4 A2 PH Fittings Screw | A2 Stainless Steel | Partial Thread Pan Head | RW20 Drive | @Pack of 200 | by Wurth
ASSY® 4 A2 PH fittings screws are crafted from high-quality A2 stainless steel, featuring a partial thread design and RW20 internal drive for optimal power transmission. Ideal for outdoor wood fastening and structural applications, these screws ensure durability and resistance to rust, making them perfect for façades, terraces, and more. With a pan head for flat fastening, they provide stability and ease of use in various materials.
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Product Name/Title: ASSY® 4 A2 PH Fittings Screw | A2 Stainless Steel | Partial Thread Pan Head | RW20 Drive | @Pack of 200 | by Wurth
Brand: Wurth
SKU: 18784540
Alternatively Known As: A2 stainless steel wood screws, partial thread pan head screws, RW20 drive screws, outdoor wood fastening screws
Technical Specifications
- Nominal diameter: 4.5 mm
- Length: 40 mm
- Head type: Pan head
- Head diameter: 9 mm
- Head height: 3 mm
- Internal drive: RW20
- Thread type: Wood screw thread
- Thread design: Partial thread
- Thread form: Single start thread
- Thread length: 25 mm
- Core diameter: 2.7 mm
- Tip shape: Tip with hilltop milling cutter
- Tip angle: 28 degrees
- Material: Stainless steel A2
- Surface finish: Plain
- Max screw-in angle: 90 degrees
- Min screw-in angle: 0 degrees
- Product weight per item: 3.450 g
- Suitable materials: Wood, derived timber product, softwood, board plywood (BSP), hardwood, LVL
- Area of application: Façades, terrace, fence, structural woodwork, wet areas, balcony, board walk, play equipment, metal plate, wood, outdoors
- Approval: ETA-11/0190
- RoHS-compliant: Yes
- Dimensions (H x L x W): 3mm x 40mm x 9mm
- Weight: 0.00345 kg
Key Features
- Made of high-quality austenitic A2 stainless steel with plain surface
- Partial thread wood screw with single start thread design
- Pan head with 9 mm diameter and 3 mm height for flat fastening
- RW20 internal drive for ideal power transmission and fewer bit changes
- Larger contact area at the bit for more power and stability
- Tip with hilltop milling cutter and 28° angle for reduced splitting and optimized recessing
- Friction-reducing slide coating for easy fastening and reduced screw-in force
- Suitable for use in wood, derived timber products, softwood, hardwood, LVL, and board plywood
- Non-magnetic, non-rusting stainless steel suitable for outdoor and weather-exposed areas
- Compatible with previous AW drive
Professional Installation Requirements
- Professional installation recommended to ensure correct fastening technique and compliance with structural requirements.
Applications
- Façades
- Terrace
- Fence
- Structural woodwork
- Wet areas
- Balcony
- Board walk
- Play equipment
- Metal plate fastening
- Outdoor wood connections
Standards & Compliance
- AS/NZS 4785 – Timber fasteners (commonly referenced for stainless steel screws in construction)
Environmental Benefits
- Made from corrosion-resistant stainless steel for long-lasting durability reducing replacement waste
- RoHS-compliant ensuring no harmful substances are used
- Suitable for outdoor use reducing need for chemical treatments on wood
Warranty Information
Wurth provides warranty coverage against manufacturing defects as per company policy.
Available Now
Wurth ASSY® 4 A2 PH stainless steel partial thread pan head screws are available for immediate purchase, ideal for outdoor wood fastening and metal profile applications.
