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Christmas/New Year Delay Notice: Many suppliers are closed 22 Dec – 15 Jan. Some orders may experience delays.
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Pias® Drilling Screw | Round Head with Collar | AW Drive | Black Zinc-Flake Coating | @Pack of 50 | by Wurth

BRAND: Wurth
SKU: 21874850
$64.40 List price: $80.90
50 PCS ($1.29 per PCS)
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Pias® drilling screws are designed for metal fastening, featuring a round head with collar and AW drive for enhanced torque transmission. Made from steel with a black zinc-flake coating, these screws ensure corrosion resistance and secure fastening in various industrial applications. Ideal for professionals, they simplify drilling, threading, and screwing-in all in one step, making them perfect for metal construction and assembly.
Technical Specifications
  • Material: Steel
  • Surface: Black zinc-flake coating (ZFBM)
  • Nominal diameter: 4.8 mm
  • Length: 50 mm
  • Head diameter: 12.75 mm
  • Head height: 3.6 mm
  • Drill tip length: 4.5 mm
  • Head type: Pan head with collar
  • Internal drive: AW25
  • Thread type: Self-tapping screw thread
  • Thread design: Full thread
  • Minimum recommended substructure thickness: 1.7 mm
  • Maximum material thickness to be drilled through (metal): 4.0 mm
  • Maximum attachment thickness: 41 mm
  • Recommended installation speed (idling): 1200-1800 rpm
  • RoHS-compliant: Yes
  • Dimensions (H x L x W): 3.6mm x 50mm x 12.75mm
  • 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
  • Pan head with collar design reduces surface pressure and prevents stress cracks
  • Full thread self-tapping screw thread for secure fastening
  • Even force distribution prevents damage to surface-protection coating
Professional Installation Requirements
  • Installation should be performed by professionals using suitable drills and adhering to recommended installation speeds for optimal performance and safety.
Applications
  • Metal construction and assembly
  • Sheet metal fastening
  • Industrial and manufacturing applications
  • General purpose drilling and fastening in metal substrates
Standards & Compliance
  • AS/NZS 4801 – Occupational Health & Safety Management Systems
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 a standard warranty against manufacturing defects; please refer to Wurth's warranty policy for details.

Available Now

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