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ASSY® 4 A2 RCS Fittings Screw | A2 Stainless Steel | Full Thread & Raised Countersunk Head | @Pack of 200 | by Wurth

BRAND: Wurth
SKU: 18754040
$407.60 List price: $512.30
200 PCS ($2.04 per PCS)
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ASSY® 4 A2 RCS fittings screws are crafted from high-quality A2 stainless steel, featuring a full thread design and a visually appealing raised countersunk head. Perfect for outdoor wood fastening applications such as façades and terraces, these screws ensure optimal power transmission and stability, making them ideal for both professional and DIY projects.

Product Name/Title: ASSY® 4 A2 RCS Fittings Screw | A2 Stainless Steel | Full Thread & Raised Countersunk Head | @Pack of 200 | by Wurth

Brand: Wurth

SKU: 18754040

Alternatively Known As: Stainless steel wood screws, Raised countersunk head screws, A2 stainless steel screws, Outdoor wood fastening screws, Full thread wood screws

Technical Specifications
  • Nominal diameter: 4 mm
  • Length: 40 mm
  • Thread type: Wood screw thread
  • Thread design: Full thread
  • Thread form: Single start thread
  • Thread length: 34 mm
  • Core diameter: 2.5 mm
  • Tip shape: Tip with hilltop milling cutter
  • Tip angle: 28 degrees
  • Head type: Raised countersunk head
  • Head diameter: 8 mm
  • Head height: 2.5 mm
  • Internal drive: RW20
  • Material: Stainless steel A2
  • Surface finish: Plain
  • Max screw-in angle: 90 degrees
  • Min screw-in angle: 0 degrees
  • Product weight per item: 2.388 g
  • Suitable materials: Wood, derived timber products, softwood, board plywood (BSP), hardwood, LVL
  • Screw requiring approval: Yes
  • Approval: ETA-11/0190
  • RoHS-compliant: Yes
  • Dimensions (H x L x W): 2.5mm x 40mm x 8mm
  • Weight: 0.0024 kg
Key Features
  • Full-thread screw made of high-quality austenitic A2 stainless steel.
  • Visually pleasing, rounded raised countersunk head for fastening metal to wood in outdoor areas exposed to the elements.
  • Ideal power transmission thanks to RW drive with larger contact area at the bit.
  • More stability, one-handed working, precise positioning due to tight-fit recess and perfect fit of the bit.
  • Fewer bit changes, one bit for many screw diameters with compatibility to previous AW drive.
  • Form-fit connection of the 90° countersunk head to metal fittings with 90° countersinks or in wooden products with high bulk density.
  • Visually appealing connections due to lens-shaped, rounded head.
  • Pulling together without head milling due to lack of milling elements; head is inserted by pressing.
  • Higher breaking torque and power transmission in hardwoods due to reinforced, asymmetrical thread flank geometry.
  • Better anchoring thanks to higher thread flanks.
  • Smooth thread start ensures optimized recessing and biting of the screw.
  • Reduced splitting effect due to displacement effect of dome-shaped milling elements in the tip.
  • Friction-reduced thread rotation allows reduction of screw-in force.
  • Stainless mounting for accessible wood connections in outdoor areas exposed to weathering.
  • Made of austenitic, non-magnetic, and non-rusting A2 stainless steel.
  • Suitable for use in rural or urban environments.
Professional Installation Requirements
  • Professional installation recommended for structural applications to ensure compliance with building codes and optimal fastening performance.
Applications
  • Façades
  • Terrace
  • Fence
  • Structural woodwork
  • Wet areas
  • Balcony
  • Board walk
  • Play equipment
  • Outdoors
Standards & Compliance
  • Complies with AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
  • Made from corrosion-resistant stainless steel, increasing product lifespan and reducing replacement frequency.
  • Suitable for outdoor use, minimizing environmental impact by reducing maintenance and waste.
  • RoHS-compliant, ensuring reduced hazardous substances.
Warranty Information

Warranty information not specified by manufacturer; typically covered under standard product quality guarantees.

Available Now

Wurth ASSY® 4 A2 RCS fittings screw pack of 200 is available for immediate purchase, ideal for outdoor wood fastening applications including façades, terraces, and structural woodwork.