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Window Screw Hardened Steel Zinc Plated Wurth

BRAND: Wurth
SKU: 178744040
$149.50 List price: $187.80
500 PCS ($0.30 per PCS)
+ −
30 Days Return Electricians Unlock Trade Access
Wurth Window Construction Screw Hardened Steel features Zinc plated and 4mm. Compatibility with previous AW drive. Ideal for window construction.
Technical Specifications
  • Material: Hardened steel
  • Surface: Zinc plated
  • RoHS-compliant: Yes
  • Nominal diameter: 4 mm
  • Length: 40 mm
  • Head diameter: 7 mm
  • Head height: 1.6 mm
  • Internal drive: RW20
  • Thread length: 30 mm
  • Screw-thread length with drill tip: 33.5 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: Drilling tip
  • Min screw-in angle: 0 degrees
  • Max screw-in angle: 90 degrees
  • Suitable materials: Board ply wood, wood, derived timber products, hardwood, LVL, softwood, construction timber, OSB, chipboard, solid wood panel
  • Area of application: Windows, fittings, furniture
  • Approval: ETA-11/0190
  • Declaration of performance (EU-CPR): Yes
  • Dimensions (H x L x W): 1.6mm x 40mm x 7mm
  • Weight: 0.00225 kg
Key Features
  • Full threaded screw with raised countersunk head and restraining ribs for gap-free fastening close to edges
  • Suitable for mounting metal fittings to timber windows without pre-drilling
  • Ideal power transmission with RW drive and larger contact area at the bit
  • One-handed working with precise positioning due to tight-fit recess and perfect bit fit
  • Compatibility with previous AW drive
  • Lens-shaped, rounded head for visually appealing window fitting connections
  • Spring-loaded effect of restraining ribs prevents screw overturning and head damage
  • Asymmetrical single thread for maximum reliability
  • Optimal matching of drill tip and thread geometry
  • Excellent anchoring in wood due to asymmetrical thread flanks
  • Small edge distances possible with wedge-shaped drill tip and parallel cutting edges
  • Assembly without gaps, preventing wood splitting and rupture
Professional Installation Requirements
  • Installation by a professional or experienced tradesperson is recommended to ensure proper fastening and structural integrity.
Applications
  • Window construction
  • Mounting metal fittings to timber windows
  • Furniture assembly
Standards & Compliance
  • AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
  • RoHS-compliant material ensuring reduced hazardous substances
  • Durable hardened steel construction extends product life reducing waste
Warranty Information

Warranty details available upon request from Wurth; typically covered against manufacturing defects.

Available Now

Available for immediate purchase, ideal for window construction and timber fastening applications.

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