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ASSY® 4 SCS Piano Hinge Screw | Full Thread & Small Countersunk Head | Zinc Plated Steel | @Pack of 1000 | by Wurth
ASSY® 4 SCS piano hinge screws are designed for reliable fastening in furniture assembly and cabinet making. Featuring a full thread and small countersunk head, these screws ensure optimal power transmission and stability. Made from zinc plated hardened steel, they offer durability and corrosion resistance, making them ideal for piano hinge fixing and other applications.
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Product Name/Title: ASSY® 4 SCS Piano Hinge Screw | Full Thread & Small Countersunk Head | Zinc Plated Steel | @Pack of 1000 | by Wurth
Brand: Wurth
SKU: 168833020
Alternatively Known As: Piano hinge screws, Full thread wood screws, Zinc plated countersunk screws, Small head wood screws, Furniture screws
Technical Specifications
- Nominal diameter: 3 mm
- Length: 20 mm
- Head type: Small countersunk head
- Head diameter: 4.9 mm
- Head height: 1.3 mm
- Internal drive: RW10
- Thread type: Wood screw thread
- Thread design: Full thread
- Thread form: Coarse thread
- Thread length: 17 mm
- Core diameter: 2 mm
- Tip shape: Tip with hilltop milling cutter
- Tip angle: 28 degrees
- Material: Hardened steel
- Surface finish: Zinc plated
- Colour: Silver
- Screw-in angle range: 0-90 degrees
- Product weight per item: 0.608 g
- Suitable materials: Wood, derived timber products, softwood, plywood, hardwood, LVL
- Area of application: Furniture, cabinet, fitting, piano hinge
- Suitable machines: Würth BS 12-A Power
- Approval: ETA-11/0190
- Screw requiring approval: Yes
- RoHS-compliant: Yes
- Dimensions (H x L x W): 1.3mm x 20mm x 4.9mm
- Weight: 0.000608 kg
Key Features
- Full-thread wood screw with small countersunk head for fixing piano hinges
- 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
- Compatibility with previous AW drive and fewer bit changes needed
- Strong fastening of thin sheet metals such as rod hinges or piano hinges
- Low head height and small head diameter to prevent over-tightening or stripping
- Reinforced asymmetrical thread flank geometry for higher power transmission in hardwoods
- Smooth thread start for optimized recessing and biting
- Reduced splitting effect due to dome-shaped milling elements in the tip
- Friction-reduced thread rotation lowers screw-in force
- High strength and ductility guaranteed by adjusted heat treatment
- Zinc plated hardened steel material for durability and corrosion resistance
Professional Installation Requirements
- Professional installation recommended using appropriate power tools such as Würth BS 12-A Power for optimal fastening and safety.
Applications
- Furniture assembly
- Cabinet making
- Fitting installation
- Piano hinge fixing
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- RoHS-compliant ensuring reduced hazardous substances
- Durable zinc plating extends product life reducing waste
Warranty Information
Warranty details available upon request from Wurth; typically includes coverage against manufacturing defects.
Available Now
Wurth ASSY® 4 SCS piano hinge screws are available for immediate purchase, ideal for furniture and cabinet manufacturing applications.
