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Pias® Drilling Screw Steel with Black Zinc-Flake Coating AW Drive Variant-2 Wurth

BRAND: Wurth
SKU: 21874219
$28.40 List price: $35.70
50 PCS ($0.57 per PCS)
+ −
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Pias® drilling screws are designed for metal fastening, featuring a robust steel construction with a black zinc-flake coating for corrosion resistance.
Technical Specifications
  • Material: Steel
  • Surface: Black zinc-flake coating (ZFBM)
  • Nominal diameter: 4.2 mm
  • Length: 19 mm
  • Head diameter: 11.0 mm
  • Head height: 2.9 mm
  • Drill tip length: 3.7 mm
  • Head type: Pan head with collar
  • Internal drive: AW20
  • Thread type: Self-tapping screw thread
  • Thread design: Full thread
  • Minimum recommended substructure thickness: 1.5 mm
  • Maximum material thickness to be drilled through (metal): 3.5 mm
  • Maximum attachment thickness: 12 mm
  • Recommended installation speed (idling): 1700-2500 rpm
  • RoHS-compliant: Yes
  • Dimensions (H x L x W): 2.9mm x 19mm x 11mm
  • Weight: 0.05 kg
Key Features
  • Steel construction with black zinc-flake coating (ZFBM) for corrosion resistance
  • AW drive system for enhanced torque transmission and longer service life
  • Drilling, threading, and screwing-in all in one step to reduce time and effort
  • Exact drilling diameter for each screw connection minimizes thread tolerance
  • Pressed-on flange reduces surface pressure to prevent stress cracks
  • Even force distribution prevents damage to surface-protection coating
  • Full thread self-tapping screw thread design
  • Pan head with collar for secure fastening
Professional Installation Requirements
  • Use a suitable drill and AW20 bit for installation. Professional installation recommended to ensure correct torque and fastening.
Applications
  • Metal construction and assembly
  • Sheet metal fastening
  • Industrial and manufacturing applications
  • General purpose drilling and fastening in metal substrates
Standards & Compliance
  • AS/NZS 4785 – Self-drilling screws and fasteners (commonly referenced for metal fasteners)
Environmental Benefits
  • RoHS-compliant ensuring reduced hazardous substances
  • Durable coating extends product life reducing waste
  • Efficient installation reduces energy and resource use
Warranty Information

Wurth offers standard manufacturer warranty covering defects in material and workmanship.

Available Now

Wurth pias® drilling screws are available for immediate purchase, ideal for metal fastening and construction applications.

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