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Self-Tapping Drill Screw | Steel Case-Hardened | Zinc Plated | AW20 Drive | by Wurth
The Self-Tapping Drill Screw is designed for efficient fastening in steel and aluminum applications. With a steel case-hardened body and zinc plating for corrosion resistance, this screw features a drilling tip that eliminates the need for center-punching, reducing assembly time by at least 50%. Ideal for fastening steel profiles on substructures up to 3 mm thick, it ensures optimal torque transmission for reliable performance.
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Product Name/Title: Self-Tapping Drill Screw | Steel Case-Hardened | Zinc Plated | AW20 Drive | by Wurth
Brand: Wurth
SKU: 2063925
Alternatively Known As: Self-tapping drill screw, Steel self-drilling screw, AW drive screw, Zinc plated tapping screw
Technical Specifications
- Material: Steel
- Surface: Zinc plated (galvanized blue passivated)
- RoHS-compliant: Yes
- Head type: Pan head
- Drive type: AW20 internal drive
- Thread type: Self-tapping screw thread
- Shape of tip: Drilling tip
- Underground compatibility: Steel, Aluminum
- Nominal diameter (d1): 3.9 mm
- Length (l1): 25 mm
- Head diameter (dk): 7.5 mm
- Head height (k1): 3.1 mm
- Drill tip length (lp): 4 mm
- Screw-thread length with drill tip: 21.5 mm
- Minimum recommended substructure thickness: 1.5 mm
- Maximum material thickness to be drilled through (metal): 3.0 mm
- Minimum/maximum attachment thickness: 1.5-18.5 mm
- Recommended installation speed (idling): 1700-2500 rpm
- Dimensions (H x L x W): 25mm x 25mm x 7.5mm
- Weight: 0.1 kg
Key Features
- Assembly time reduced by at least 50% using the drill tip for drilling without centre-punching, thread forming, and fastening
- Additional optimal torque transmission by the AW drive for steel/steel applications with diameters 4.2 mm, 4.8 mm, and 5.5 mm
- Steel case-hardened and galvanized blue passivated for corrosion resistance
- Pan head with AW20 internal drive
- Self-tapping screw thread with drilling tip shape
Professional Installation Requirements
- Installation by a qualified professional is recommended to ensure proper fastening and compliance with structural requirements.
Applications
- Fastening steel profiles on steel substructures up to 3 mm thickness
- Suitable for steel and aluminum underground materials
- Component combinations tI/tII in accordance with approval ETA-10/0184
Standards & Compliance
- Complies with AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
- RoHS-compliant material reduces hazardous substances
- Galvanized blue passivation enhances corrosion resistance, extending product life and reducing waste
Warranty Information
Standard manufacturer warranty applies. Please refer to Wurth's warranty policy for details.
Available Now
The Wurth Steel Case-Hardened Self-Tapping Screw with Drill Tip 3.9x25mm is available for immediate purchase, ideal for fastening steel profiles on steel substructures in construction and industrial applications.
