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Window Construction Screw | Full Thread & Raised Countersunk Head | Zinc Plated Steel | @Pack of 500 | by Wurth
The ASSY® 4 FBS RCS window construction screw is designed for secure fastening in wood, featuring a full thread and raised countersunk head for a clean finish. Ideal for window fittings and furniture applications, this screw ensures minimal splitting and optimal power transmission with its RW drive. Built from hardened steel and zinc plated for durability, it's perfect for professional tradespeople looking for reliable performance.
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Product Name/Title: Window Construction Screw | Full Thread & Raised Countersunk Head | Zinc Plated Steel | @Pack of 500 | by Wurth
Brand: Wurth
SKU: 190504045
Alternatively Known As: Window construction screw, wood screw, raised countersunk head screw, zinc plated wood screw, full thread wood screw
Technical Specifications
- Material: Hardened steel
- Surface: Zinc plated
- RoHS-compliant: Yes
- Nominal diameter (d): 4 mm
- Length (l): 45 mm
- Head diameter (d h): 7.2 mm
- Head height (k): 2.5 mm
- Internal drive: RW20
- Thread length (lg): 37 mm
- Head type: Raised countersunk head
- Head details: Restraining ribs
- Thread type: Wood screw thread
- Thread design: Full thread
- Thread form: Single start thread
- Core diameter: 2.5 mm
- Shape of tip: Tip with ring thread
- Angle of the tip: 20 Degree
- Colour: Silver
- Product weight (per item): 2.700 g
- Min. screw-in angle: 0 Degree
- Max. screw-in angle: 90 Degree
- Suitable machines: Würth BS 12-A Power, Würth BS 14-A Combi
- Approval: ETA-11/0190
- Declaration of performance (EU-CPR): Yes
- Dimensions (H x L x W): 2.5mm x 45mm x 7.2mm
- Weight: 0.0027 kg
Key Features
- Full-thread screw with raised countersunk head and restraining ribs for gentle attachment of window fittings in wood in indoor dry or sheltered areas
- Ideal power transmission thanks to RW drive
- More power due to larger contact area at the bit
- More stability, one-handed working, precise positioning due to the tight-fit recess and perfect fit of the bit
- Fewer bit changes, 1 bit for many screw diameters
- Compatibility with previous AW drive
- Visually appealing fasteners in window construction with lens-shaped, rounded head
- Spring-loaded effect of the restraining ribs prevents the screw from overturning and destroying the head
- Less tendency of the wood to split and very few blow-outs
- Blow-outs are avoided to a high degree thanks to the punching effect
- Minimal splitting forces, especially when screwing in at edges
- Reduction of the screw-in torque
Professional Installation Requirements
- Installation by a professional or experienced tradesperson is recommended to ensure proper fastening and to avoid damage to materials.
Applications
- Windows
- Fitting
- Furniture
- Suitable for use in wood, derived timber products, softwood, board plywood (BSP), hardwood, LVL
Standards & Compliance
- AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
- RoHS-compliant material ensures reduced hazardous substances
- Durable zinc plating extends product life reducing replacement frequency
Warranty Information
Warranty information not specified by manufacturer; typically covered under standard product liability and quality assurance policies.
Available Now
Available for immediate purchase, ideal for window construction, fitting, and furniture applications.
