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piasta Drilling Screw A2 Stainless Steel Hardened 25mm Wurth

BRAND: Wurth
SKU: 21184825
$43.30 List price: $54.40
25 PCS ($1.73 per PCS)
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Wurth piasta Drilling Screw Stainless Steel Hardened features Bimetal, Flake zinc and Pan head. Made of A2 stainless steel with hardened steel drill tip.
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: Steel, Aluminum
  • Nominal diameter (d1): 4.8 mm
  • Length (l1): 25 mm
  • Head diameter (dk): 9.5 mm
  • Head height (k1): 3.5 mm
  • Drill tip length (lp): 6 mm
  • Screw-thread length with drill tip: 22.5 mm
  • Internal drive: H2
  • Min. recommended substructure thickness: 1.5 mm
  • Max. material thickness to be drilled through (metal): 4.4 mm
  • For max. substructure thickness: 3 mm
  • Min./max. attachment thickness: 1.5-11 mm
  • Min./max. recommended installation speed (idling): 1700-2500 rpm
  • Dimensions (H x L x W): 3.5mm x 25mm x 9.5mm
  • 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
  • Drill tip reduces assembly time by at least 50%
  • Drilling without centre punching
  • Thread moulding and securing in one operation
  • Suitable for non-approved areas
Professional Installation Requirements
  • Installation by a professional or experienced tradesperson is recommended to ensure proper fastening and safety.
Applications
  • Fastening in aluminum and steel substructures
  • Aesthetic fittings in visible areas without additional sealing washer
  • Suitable for steel and aluminum materials with thickness up to 4.4 mm
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 screws are available for immediate purchase, ideal for fast and secure fastening in aluminum and steel substructures.

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