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ASSY® 4 A2 CS Fittings Screw A2 Stainless Steel Full Thread Countersunk Head Variant-3 (500 PCS) Wurth

BRAND: Wurth
SKU: 18723020
$270.50 List price: $340.00
500 PCS ($0.54 per PCS)
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ASSY® 4 A2 CS fittings screws are crafted from high-quality A2 stainless steel, featuring a full thread design and countersunk head for seamless installation.
Technical Specifications
  • Nominal diameter: 3 mm
  • Length: 20 mm
  • Head type: Countersunk head
  • Head diameter: 5.9 mm
  • Head height: 1.9 mm
  • Internal drive: RW10
  • Thread type: Wood screw thread
  • Thread design: Full thread
  • Thread form: Single start thread
  • Thread length: 17 mm
  • Core diameter: 2 mm
  • Tip shape: Tip with hilltop milling cutter
  • Tip angle: 28 degrees
  • Material: Stainless steel A2
  • Surface: Plain
  • Min/max screw-in angle: 0-90 degrees
  • Product weight per item: 0.714 g
  • Suitable materials: Wood, derived timber product, softwood, board plywood (BSP), hardwood, LVL
  • Suitable machines: Würth BS 12-A Power
  • Approval: ETA-11/0190
  • Screw requiring approval: Yes
  • RoHS-compliant: Yes
  • Dimensions (H x L x W): 1.9mm x 20mm x 5.9mm
  • Weight: 0.000714 kg
Key Features
  • Made of high-quality austenitic A2 stainless steel with countersunk head
  • Full-thread wood screw thread design with single start thread
  • Ideal power transmission thanks 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
  • Form-fitting connection to metal fittings or wooden products with high bulk density
  • Perfect fit of 90° head in fitting parts with metal countersinks
  • Higher breaking torque and power transmission in hardwoods due to reinforced asymmetrical thread flank geometry
  • Smooth thread start ensures optimized recessing and biting
  • Reduced splitting effect due to dome-shaped milling elements in the tip
  • Friction-reduced thread rotation reduces screw-in force
  • Non-magnetic and non-rusting A2 stainless steel suitable for outdoor weather-exposed wood connections
Professional Installation Requirements
  • Installation by a qualified professional is recommended to ensure proper fixing and compliance with safety standards.
Applications
  • Façades
  • Terrace
  • Fence
  • Structural woodwork
  • Wet areas
  • Balcony
  • Board walk
  • Play equipment
  • Outdoors
Standards & Compliance
  • Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
  • Made from corrosion-resistant stainless steel for long-lasting durability reducing replacement frequency
  • RoHS-compliant ensuring no hazardous substances
Warranty Information

Warranty as per Wurth standard terms and conditions.

Available Now

Wurth ASSY® 4 A2 CS stainless steel full thread countersunk head screws are available for immediate purchase, ideal for outdoor and indoor wood fixing applications exposed to weather and corrosion.