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ASSY® 4 HCR 1.4539 CS Stainless Steel Screw Highly Corrosion Resistant Partial Thread Countersunk Head Variant-2 Wurth

BRAND: Wurth
SKU: 18794060
$2,763.30 List price: $3,473.20
250 PCS ($11.05 per PCS)
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ASSY® 4 HCR 1.4539 CS stainless steel screws are designed for outdoor use, featuring a highly corrosion-resistant 1.4539 material and a partial thread with a
Technical Specifications
  • Nominal diameter: 4 mm
  • Length: 60 mm
  • Head type: Countersunk head
  • 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
  • Thread length: 39 mm
  • Core diameter: 2.5 mm
  • Tip shape: Tip with hilltop milling cutter
  • Tip angle: 28 degrees
  • Material: Stainless steel 1.4539 (X1NiCrMoCu25-20-5)
  • Surface finish: Plain
  • Min/max screw-in angle: 0-90 degrees
  • Product weight per item: 3.376 g
  • Suitable materials: Wood, derived timber product, softwood, plywood, hardwood, LVL
  • Suitable machines: Würth BS 14-A Combi
  • Approval: ETA-11/0190
  • RoHS-compliant: Yes
  • Dimensions (H x L x W): 2.5mm x 60mm x 8mm
  • Weight: 0.0034 kg
Key Features
  • Made of high-quality austenitic HCR stainless steel 1.4539 with corrosion resistance class IV
  • Partial thread wood screw with countersunk head for wood-wood fastening
  • RW20 internal drive for ideal power transmission and fewer bit changes
  • Reinforced asymmetrical thread flank geometry for higher power transmission in hardwoods
  • Smooth thread start reduces screw-in force and splitting effect
  • Non-magnetic, non-rusting stainless steel suitable for high chloride or SO2-contaminated areas
  • Tip with hilltop milling cutter and 28° tip angle for optimized recessing and biting
  • Pulls together without head milling due to lack of milling elements below the head
  • Perfect fit of 90° head in metal countersinks
Professional Installation Requirements
  • Recommended installation with Würth BS 14-A Combi machine or equivalent for optimal performance.
Applications
  • Outdoor use in facades, wet areas, timber construction
  • Ocean climate environments
  • Play equipment, boardwalks, terraces, fences
  • Suitable for wood, derived timber products, softwood, plywood, 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 life reducing replacement frequency and waste
  • RoHS-compliant ensuring reduced hazardous substances
  • Suitable for outdoor and marine environments minimizing environmental impact
Warranty Information

Warranty details available upon request from Wurth; product approved under ETA-11/0190.

Available Now

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

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