4.2mm x 38mm Torx Countersunk Self Drilling Screw (T20) Security Torx | Delta Protekt® Hardened Steel
| Quantity |
Unit Price
(ex. VAT)
|
Unit Price
(inc. VAT)
|
|---|---|---|
| 1 - 99 | £0.68 | £0.82 |
| 100 - 999 | £0.57 | £0.68 |
| 1000 - 9999 | £0.48 | £0.58 |
| 10000 + | £0.34 | £0.41 |
£0.82 / each
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Product Specification
| Thread Size | 4.2mm |
| Length | 38mm |
| Drive | T20 |
| Head Diameter | 7.9mm |
| Head Height | 3.0mm |
| Material | Delta Protekt® Hardened Steel |
| Standard | Security Torx |
Frequently Bought Together
4.2mm x 38mm Torx Pan Head Self Drilling Screw (T20) Security Torx | Delta Protekt® Hardened Steel
Total Price: £0.00
4.2mm x 38mm Security Torx Countersunk Self Drilling Screw | Security Torx | Delta Protekt® Hardened Steel
Providing drilling, thread forming and fastening in one operation, this 4.2mm x 38mm self drilling metal screw is designed for compatible metal assemblies. The T20 recess gives controlled tool engagement and the countersunk head creates a neat low-profile finish when seated correctly. The Delta Protekt® Hardened Steel construction combines a hardened fastener body with a protective coating for demanding metal fastening applications.
What Are Countersunk Self Drilling Screws?
Countersunk Self Drilling Screws combine a drill point, self-tapping thread and tapered head in one fastener. The point creates the installation hole in compatible metal, the thread forms its mating path and the countersunk head seats into a prepared recess for a flush finish.
Common Applications
- HVAC and Ventilation: Secures suitable ducting accessories, covers and fabricated metal fittings where a countersunk finish is required.
- Control Cabinets: Provides a flush fixing for mounting plates, panels and compatible metal components in control equipment.
- Signage and Displays: Keeps the fixing head close to the surface on suitable metal signs, frames and display assemblies.
- Workshop Fabrication: Supports general repairs, prototype work and metal assembly using compatible sheet or light-gauge sections.
4.2mm x 38mm Security Torx Countersunk Self Drilling Screw Dimensions
- Thread Size: 4.2mm
- Length: 38mm
- Head Height: 3.0mm
- Head Diameter: 7.9mm
- Drive: T20
- Standard: Security Torx
- Material: Delta Protekt® Hardened Steel
Key Benefits
- Countersunk head can sit flush in a correctly prepared recess to reduce protrusion.
- 4.2mm thread diameter with 38mm length provides the main screw size.
- T20 drive matches the specified driver or bit for installation.
- Delta Protekt® Hardened Steel construction provides the specified material and finish.
Browse the complete Countersunk Self Drilling Screw collection for other lengths, diameters and materials. Our broader self drilling screws range includes additional head types, drive options and material finishes for compatible metal applications. We can help you choose the correct fastener on 01233 713581.
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