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ASSYplus 4 Universal Screw Hardened Zinc Plated 40mm Wurth

BRAND: Wurth
SKU: 178113540
$139.90 List price: $175.80
500 PCS ($0.28 per PCS)
+ −
30 Days Return Electricians Unlock Trade Access
Wurth ASSYplus Csmp Universal Screw Hardened features 3.5mm, 40mm length and 22mm thread length. Ideal power transmission due to RW drive.
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.

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