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SKU: 8444

Self-drilling screw 3.9×13 mm | Torx 20 | Zinc-plated | DIN 7504 O

Regular price €29,66
Tax included Shipping calculated at checkout.

Self-drilling screw 3.9×13 mm – Torx 20 – Zinc plated – DIN 7504 O

The 3.9×13 mm Torx 20 self-drilling screw according to DIN 7504 O is a compact, self-drilling fastening screw for industrial metal structures, profiles, and sheet metal. Its galvanized surface makes it durable and long-lasting.

Technical data

Article No.:
8449
Length:
13 mm
Diameter:
3.9 mm
Material:
Steel
Surface treatment:
Galvanized (ZP)
Type:
self-drilling screw
DIN:
7504 O
Head type:
Torx 20
Area of ​​application:
industry
Weight:
0.01 kg

Advantages & Features

  • Compact 13 mm design ideal for thin sheets and short material thicknesses
  • Torx 20 drive for high torque transmission and secure bit seating
  • Self-drilling according to DIN 7504 O – no pre-drilling necessary
  • Galvanized steel for stable corrosion protection in industrial environments
  • Suitable for profiles, metal cladding, cassettes & lightweight constructions
  • Tormeister 24 recommends Torx screws for precise, safe assembly work.

Application & Assembly

This self-drilling screw is typically used in metal construction, e.g., in thin sheet metal structures, profile frames, covers, or substructures. The self-drilling tip allows for quick, controlled screwing without pre-drilling.

Safety note: Always observe the torque specification for critical fastenings and regularly check screw points. Always insert self-drilling screws perpendicularly.

Practical example

In an industrial production line, the 3.9×13 Torx self-drilling screw was used for the quick fastening of thin metal panels – vibration-resistant, clean and without pre-drilling.

FAQ

Is pre-drilling necessary?

No, the screw is self-drilling according to DIN 7504 O.

Is the screw rust-free?

It is galvanized and offers good corrosion protection, but not as high as stainless steel.

For which applications is it suitable?

Metal construction, design, industrial profiles, cassettes, lightweight gate applications.

Order Torx self-drilling screw 3.9×13 now

Perfect for industrial applications, metal constructions and fast profile screw connections.

Request technical advice

Delivery information

Shipping options | Costs & delivery times

Germany

- 5,90 € (1 - 8 working days)

- Order value from 300,00 € free of charge (1 - 8 working days)

- Garage doors free of charge (4-5 weeks)

Austria 

- 13,00 € (1 - 8 working days)

- Order value from 300,00 € free of charge (1 - 8 working days)

- Garage doors 90,00 € (4-5 weeks)

Luxembourg

- 13,00 € (1 - 8 working days)

- Order value from 300,00 € free of charge (1 - 8 working days)

- Garage doors free of charge (4-5 weeks)


Countries we ship to
Germany, Austria, Luxembourg*

*excluding islands

Delivery information for gates and doors

Pickup information:
Ordering and collection: Order online and collect the gate personally from our warehouse.

Delivery notice: The delivery notice provided by us after production is provisional and not legally binding. Deviations, e.g. due to traffic volumes or disruptions, do not give rise to claims for complaint.

Conditions for free freight of gates and doors:

-Please provide your mobile number when ordering
- Please ensure that someone is present to receive the goods on the scheduled delivery date. If someone is not present, please contact us.
- Our delivery is made with a truck combination of 18 meters in length.
- For unloading with a truck-mounted forklift we need sufficient space around the vehicle.
- Your address must be accessible; consider access roads, tight curves, posts, overhanging trees, etc.

Important points:
- The driver unloads the goods at the address specified when ordering.
- Unloading at other locations is the responsibility of the customer; we are not liable for damage at unsafely chosen unloading locations.
- If there are problems with space for unloading with the truck-mounted forklift, please ensure that there are enough unloading personnel available in advance.

Special cases:
- If your address cannot be reached by truck, please contact us before ordering to ensure optimal delivery and avoid damage.

If you have any further questions or special cases, please do not hesitate to contact us.

Which payment methods are accepted?

You can choose between the following payment methods

  • American Express
  • Apple Pay
  • Google Pay
  • Klarna
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • USDC
  • Visa

Prepayment by bank transfer, Shop Pay, Visa, Mastercard, American Express, Maestro, UnionPay, Apple Pay, Google Pay, EPS, Klarna invoice