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Piasta® Drilling Screw | Round Head with Recessed Head | A2 Stainless Steel | Self-Tapping | @Pack of 50 | by Wurth

BRAND: Wurth
SKU: 21183519
$69.40 List price: $87.20
50 PCS ($1.39 per PCS)
+
Piasta® drilling screws with a round head and recessed design are perfect for fastening in aluminum and steel substructures. Made from durable A2 stainless steel, these self-tapping screws feature a hardened drill tip that reduces assembly time by 50%, making them ideal for professional installations. With RoHS compliance, they ensure safety and environmental responsibility in your projects.

Product Name/Title: Piasta® Drilling Screw | Round Head with Recessed Head | A2 Stainless Steel | Self-Tapping | @Pack of 50 | by Wurth

Brand: Wurth

SKU: 21183519

Alternatively Known As: Self-tapping drilling screw, Pan head drilling screw, Stainless steel drilling screw, Piasta drilling fastener

Technical Specifications
  • Material: Bimetal
  • Surface: Flake zinc
  • RoHS-compliant: Yes
  • Head type: Pan head
  • Drive type: H (cone slot)
  • Thread type: Self-tapping screw thread
  • Shape of tip: Drilling tip
  • Underground compatibility: Steel, Aluminum
  • Nominal diameter: 3.5 mm
  • Length: 19 mm
  • Head diameter: 7.5 mm
  • Head height: 2.7 mm
  • Drill tip length: 3.5 mm
  • Screw-thread length with drill tip: 18 mm
  • Internal drive: H2
  • Min. recommended substructure thickness: 0.75 mm
  • Max. material thickness to be drilled through (metal): 2.5 mm
  • Max. substructure thickness: 1.5 mm
  • Min./max. attachment thickness: 1-9 mm
  • Recommended installation speed (idling): 1700-2500 rpm
  • Dimensions (H x L x W): 2.7mm x 19mm x 7.5mm
  • Weight: 0.05 kg
Key Features
  • Made of A2 stainless steel with hardened steel drill tip
  • Shaped thread for secure fastening
  • Cone slot H drive type for efficient installation
  • Drill tip reduces assembly time by at least 50%
  • Drilling without centre punching
  • Thread moulding and securing all in one operation
Professional Installation Requirements
  • Installation by a qualified professional is recommended to ensure proper fastening and safety compliance.
Applications
  • Fastening in aluminum and steel substructures
  • Aesthetic fittings in visible areas without additional sealing washer
  • Suitable for non-approved areas requiring durable fastening
Standards & Compliance
  • Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
  • RoHS-compliant material reduces hazardous substances
  • Durable stainless steel construction extends product life and reduces waste
Warranty Information

Wurth standard product warranty against manufacturing defects.

Available Now

Wurth Piasta® Drilling Screw Round Head with Recessed Head 50 PCS is available for immediate purchase, ideal for construction and metal fastening applications.