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ASSYplus 4 Special Universal Screw 40mm Pack of 500 Wurth

BRAND: Wurth
SKU: 178914040
$150.10 List price: $188.60
500 PCS ($0.30 per PCS)
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Wurth ASSYplus Csmp Special Universal Screw Hardened features 4mm, 40mm length and 23mm thread length. Pack of 500. Ideal for furniture assembly.
Technical Specifications
  • Nominal diameter: 4 mm
  • Length: 40 mm
  • Thread length: 23 mm
  • Screw-thread length with drill tip: 26 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
  • Product weight per item: 2.258 g
  • RoHS-compliant: Yes
  • Dimensions (H x L x W): 2.5mm x 40mm x 8mm
  • Weight: 1.13 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 thanks to RW drive
  • More power due to larger contact area at the bit
  • More stability and precise positioning due to 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, wood does not split or rupture
  • Clean countersinking in softwood or wood material
  • No chipping in coated chipboards due to improved milling effect
  • 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 flanks
Professional Installation Requirements
  • Professional installation recommended for optimal performance and safety, especially in structural or load-bearing applications.
Applications
  • Furniture assembly
  • Cabinet making
  • Store construction
  • Exhibition stand construction
  • Interior fitting
Standards & Compliance
  • Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
  • RoHS-compliant ensuring reduced hazardous substances
  • Durable hardened steel construction extends product life reducing waste
Warranty Information

Comes with ETA-11/0190 approval ensuring product reliability and compliance. Warranty details available from Wurth.

Available Now

Wurth ASSY®plus 4 CSMP SPECIAL universal screws are available for immediate purchase, ideal for furniture, cabinetry, and interior fitting applications.

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