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ASSY® 4 A2 PH Fittings Screw | A2 Stainless Steel | Partial Thread Pan Head | 500 PCS | by Wurth
ASSY® 4 A2 PH fittings screws are crafted from high-quality austenitic A2 stainless steel, featuring a partial thread design and pan head for optimal fastening in wood and metal applications. Ideal for outdoor use, these screws offer corrosion resistance and enhanced power transmission, making them perfect for structural woodwork, façades, and more.
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Product Name/Title: ASSY® 4 A2 PH Fittings Screw | A2 Stainless Steel | Partial Thread Pan Head | 500 PCS | by Wurth
Brand: Wurth
SKU: 18784050
Alternatively Known As: A2 stainless steel wood screws, partial thread pan head screws, outdoor wood fastening screws, stainless steel RW drive screws
Technical Specifications
- Nominal diameter: 4 mm
- Length: 50 mm
- Head type: Pan head
- Head diameter: 7.9 mm
- Head height: 2.8 mm
- Internal drive: RW20
- Thread type: Wood screw thread
- Thread design: Partial thread
- Thread form: Single start thread
- Thread length: 34 mm
- Core diameter: 2.5 mm
- Tip shape: Tip with hilltop milling cutter
- Tip angle: 28 degrees
- Material: Austenitic stainless steel A2
- Surface finish: Plain
- Max screw-in angle: 90 degrees
- Min screw-in angle: 0 degrees
- Product weight per item: 3.244 g
- Suitable materials: Wood, derived timber products, softwood, board plywood (BSP), hardwood, LVL
- Approvals: ETA-11/0190
- RoHS compliant: Yes
- Dimensions (H x L x W): 2.8mm x 50mm x 7.9mm
- Weight: 1.62 kg
Key Features
- Made of high-quality austenitic A2 stainless steel with plain surface
- Partial thread wood screw with pan head for fastening metal hollow profiles in wood
- RW drive for ideal power transmission and fewer bit changes
- Flat, cylindrical head rounded with a lens for large surface contact area
- Higher breaking torque and power transmission in hardwoods due to reinforced asymmetrical thread flank geometry
- Smooth thread start reduces splitting and optimizes screw-in force
- Friction-reducing slide coating for easy fastening
- Non-magnetic, non-rusting stainless steel suitable for outdoor use exposed to weathering
- Tip with hilltop milling cutter and 28° tip angle for optimized recessing and biting
Professional Installation Requirements
- Professional installation recommended for structural and outdoor applications to ensure correct fastening and safety.
Applications
- Façades
- Terrace
- Fence
- Structural woodwork
- Wet areas
- Balcony
- Board walk
- Play equipment
- Metal plate fastening
- Outdoor wood connections
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 replacement frequency
- RoHS-compliant ensuring no hazardous substances
- Suitable for outdoor use reducing environmental impact of frequent repairs
Warranty Information
Warranty as per Wurth standard terms and conditions.
Available Now
Available for immediate purchase, ideal for outdoor wood and metal fastening applications requiring corrosion resistance and high strength.
