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ASSY®plus 4 CSMP Universal Screw | Hardened Zinc-Plated Steel | Countersunk Milling Pocket Head | @Pack of 500 | by Wurth
ASSY®plus 4 CSMP universal screws are designed for reliable fastening in wood applications, featuring a hardened zinc-plated steel construction and a countersunk milling pocket head. Ideal for interior fittings and furniture assembly, these screws ensure gap-free attachment close to edges without pre-drilling, providing maximum power transmission and precise positioning for professional results.
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Product Name/Title: ASSY®plus 4 CSMP Universal Screw | Hardened Zinc-Plated Steel | Countersunk Milling Pocket Head | @Pack of 500 | by Wurth
Brand: Wurth
SKU: 178113540
Alternatively Known As: Wood screws, Countersunk wood screws, Zinc-plated wood screws, Partial thread screws, RW drive screws
Technical Specifications
- Nominal diameter: 3.5 mm
- Length: 40 mm
- Thread length: 22 mm
- Screw-thread length with drill tip: 25.5 mm
- Head type: Countersunk head with milling pockets
- Head diameter: 6.8 mm
- Head height: 2.2 mm
- Internal drive: RW20
- Thread type: Wood screw thread
- Thread design: Partial thread
- Design: With shaft
- Thread form: Single start thread
- Core diameter: 2.1 mm
- Shape of tip: Drilling tip
- Material: Hardened steel
- Surface: Zinc plated
- Max screw-in angle: 90 degrees
- Min screw-in angle: 0 degrees
- Suitable materials: Board ply wood (BSP), Wood, Derived timber product, Hardwood, LVL, Softwood, Construction timber (KVH)
- Approval: ETA-11/0190
- Product weight per item: 1.632 g
- RoHS-compliant: Yes
- Dimensions (H x L x W): 2.2mm x 40mm x 6.8mm
- Weight: 0.082 kg
Key Features
- Universal partial thread with countersunk head and milling pockets
- Suitable for gap-free attachment close to edges without pre-drilling in wood-wood connections
- Ideal power transmission due to RW drive
- Larger contact area at the bit for more power
- Tight-fit recess for precise positioning and one-handed working
- Compatibility with previous AW drive
- Advanced centring drill tip for precise positioning and clean drilling without chipping
- Maximum drilling performance with cutting edges similar to Forstner bits
- Centring pin prevents slipping on hard surfaces
- Gentle thread start for quick screwing
- Optimized milling pockets for easy countersinking and no chipping in coated chipboards
- Perfect 90° head fit in metal countersinks
- Asymmetrical single thread for maximum reliability and excellent anchoring in wood
- Hardened steel material with zinc plating for durability
Professional Installation Requirements
- Professional installation recommended for optimal fastening performance and safety, especially in structural applications.
Applications
- Interior fitting
- Cabinet making
- Store construction
- Exhibition stand construction
- Furniture assembly
Standards & Compliance
- Complies with AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
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®plus 4 CSMP universal screws are available for immediate purchase, ideal for interior wood fittings and furniture construction.
