Trade Discount 20%
ASSY®plus 4 CSMP SPECIAL Universal Screw | Hardened Zinc-Plated Steel | Countersunk Head | @Pack of 250 | by Wurth
The ASSY®plus 4 CSMP SPECIAL universal screw is designed for optimal performance in furniture assembly and cabinet making. With a hardened zinc-plated steel construction and a unique countersunk head, it ensures gap-free attachment without pre-drilling. Ideal for wood-wood connections, this screw features an RW drive for enhanced power transmission and stability, making it perfect for professional tradespeople and DIY enthusiasts alike.
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Product Name/Title: ASSY®plus 4 CSMP SPECIAL Universal Screw | Hardened Zinc-Plated Steel | Countersunk Head | @Pack of 250 | by Wurth
Brand: Wurth
SKU: 178914055
Alternatively Known As: Wood screw, Countersunk wood screw, Zinc plated wood screw, Partial thread screw, RW drive screw
Technical Specifications
- Nominal diameter: 4 mm
- Length: 55 mm
- Thread length: 35 mm
- Screw-thread length with drill tip: 38 mm
- Head type: Countersunk head with milling pockets
- Head diameter: 8 mm
- Head height: 2.5 mm
- Internal drive: RW20
- Thread type: Wood screw thread
- Thread design: Partial thread
- Thread form: Single start thread
- Core diameter: 2.5 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, wood, derived timber products, hardwood, LVL, softwood, construction timber, OSB, chipboard, solid wood panel
- Approval: ETA-11/0190
- Product weight per item: 5 g
- RoHS-compliant: Yes
- Dimensions (H x L x W): 2.5mm x 55mm x 8mm
- Weight: 1.25 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 with larger contact area at the bit
- More stability and precise positioning with tight-fit recess
- Compatibility with previous AW drive
- Small edge distances possible due to wedge-shaped drill tip with parallel cutting edges
- Assembly without gaps, preventing wood splitting and rupture
- Clean countersinking in softwood or wood materials
- No chipping in coated chipboards due to improved milling effect and increased milling pockets
- Perfect fit of 90° head in fitting parts with metal countersinks
- Maximum reliability due to asymmetrical single thread
- Excellent anchoring in wood due to asymmetrical thread flank arrangement
Professional Installation Requirements
- Installation by a professional or experienced tradesperson is recommended to ensure correct use and optimal performance.
Applications
- Furniture assembly
- Cabinet making
- Store construction
- Exhibition stand construction
- Interior fitting
Standards & Compliance
- AS/NZS 4785 – Timber screws
Environmental Benefits
- RoHS-compliant ensuring reduced hazardous substances
- Durable hardened steel construction extends product life reducing waste
Warranty Information
Comes with Wurth's standard product warranty against manufacturing defects.
Available Now
The Wurth ASSY®plus 4 CSMP SPECIAL universal screw is available for immediate purchase, ideal for furniture, cabinet, and interior fitting applications.
