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ASSY® 4 HCR 1.4539 CS Stainless Steel Screw Highly Corrosion Resistant Countersunk Head Variant-1 Wurth

BRAND: Wurth
SKU: 18794040
$1,993.70 List price: $2,505.90
200 PCS ($9.97 per PCS)
+ −
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The ASSY® 4 HCR 1.4539 CS stainless steel screw is designed for outdoor use, featuring high corrosion resistance and a countersunk head for a flush finish.
Technical Specifications
  • Dimensions (H x L x W): 2.5mm x 40mm x 8mm
  • Weight: 0.0022 kg
Key Features
  • Made of high-quality austenitic HCR stainless steel 1.4539 with corrosion resistance class IV
  • Partial thread with wood screw thread design and single start thread form
  • Countersunk head with 90° fit for metal countersinks
  • RW20 internal drive for ideal power transmission and fewer bit changes
  • Higher breaking torque and power transmission in hardwoods due to reinforced asymmetrical thread flank geometry
  • Smooth thread start reduces screw-in force and splitting effect
  • Tip with hilltop milling cutter and 28° tip angle for optimized recessing and biting
  • Non-magnetic, non-rusting stainless steel suitable for high chloride or SO2-contaminated areas
  • RoHS-compliant and ETA-11/0190 approved
Professional Installation Requirements
  • Recommended installation using suitable machines such as Würth BS 14-A Combi for optimal performance and safety.
Applications
  • Outdoor use in facades, wet areas, timber construction, ocean climate
  • Play equipment, boardwalk, terrace, fence
  • Suitable for wood, derived timber products, softwood, plywood (BSP), hardwood, LVL
Standards & Compliance
  • Complies with AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads) for construction fasteners
Environmental Benefits
  • Corrosion resistance extends product lifespan reducing waste
  • RoHS compliance ensures reduced hazardous substances
  • Durable stainless steel reduces need for frequent replacements
Warranty Information

Warranty details available upon request from Wurth; product meets ETA-11/0190 approval standards.

Available Now

Available for immediate purchase, ideal for outdoor timber construction, facades, and marine environments.

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