Trade Discount 20%
Window Construction Screw | Full Thread & Raised Countersunk Head | Zinc Plated | @Pack of 500 | by Wurth
The ASSY® 4 FBS CUT RCS window construction screw is designed for optimal fastening in window applications, featuring a full thread and raised countersunk head for a secure fit. Made from hardened steel with a durable zinc plating, this screw ensures stability and precise positioning, making it ideal for professionals in window construction and furniture assembly.
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Technical Specifications
- Material: Hardened steel
- Surface: Zinc plated
- RoHS-compliant: Yes
- Nominal diameter: 4 mm
- Length: 45 mm
- Head diameter: 7.2 mm
- Head height: 2.5 mm
- Internal drive: RW20
- Thread length: 37 mm
- Head type: Raised countersunk head with restraining ribs
- Thread type: Wood screw thread, full thread, single start
- Core diameter: 2.5 mm
- Tip shape: Tip with a scraper groove
- Tip angle: 20 degrees
- Colour: Silver
- Product weight per item: 2.381 g
- Screw-in angle range: 0 to 90 degrees
- Suitable materials: Wood, derived timber products, softwood, board plywood (BSP), hardwood, LVL
- 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: 0.0024 kg
Key Features
- Full-thread screw with raised countersunk head and restraining ribs for gentle attachment of window fittings in hardwoods
- Ideal power transmission due to RW drive with larger contact area at the bit
- More stability and precise positioning with tight-fit recess and perfect bit fit
- Fewer bit changes needed, one bit fits many screw diameters
- Compatibility with previous AW drive
- Lens-shaped, rounded head for visually appealing window fitting connections
- Torque-absorbing restraining ribs prevent overturning and head damage
- No over-tightening or stripping with high feed rate
- Reinforced asymmetrical thread flank geometry for higher power transmission in hardwoods
- Better anchoring with higher thread flanks
- Easy recessing and quick biting in hardwoods
- Slim tip allows quick set-up
- Semi-circular and sharp-edged milling element facilitates fibre separation in hardwoods
Professional Installation Requirements
- Professional installation recommended for optimal fastening and structural integrity, especially in window construction applications.
Applications
- Window construction
- Fitting attachment
- Furniture assembly
Standards & Compliance
- Complies with AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
- RoHS-compliant material reduces hazardous substances
- Durable zinc plating extends product life reducing waste
Warranty Information
Warranty information available upon request from Wurth; typically covers manufacturing defects.
Available Now
Available for immediate purchase, ideal for window construction, fitting, and furniture assembly applications.
