5.5mm x 25mm Torx Countersunk Self Drilling Screw (T27) Security Torx | Delta Protekt® Hardened Steel

Product code: PTCDR-5.5-25-DPT
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5.5mm x 25mm Torx Countersunk Self Drilling Screw (T27) Security Torx | Delta Protekt® Hardened Steel
5.5mm x 25mm Torx Countersunk Self Drilling Screw (T27) Security Torx | Delta Protekt® Hardened Steel
5.5mm x 25mm Torx Countersunk Self Drilling Screw (T27) Security Torx | Delta Protekt® Hardened Steel
5.5mm x 25mm Torx Countersunk Self Drilling Screw (T27) Security Torx | Delta Protekt® Hardened Steel
5.5mm x 25mm Torx Countersunk Self Drilling Screw (T27) Security Torx | Delta Protekt® Hardened Steel
5.5mm x 25mm Torx Countersunk Self Drilling Screw (T27) Security Torx | Delta Protekt® Hardened Steel
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 99 £0.82 £0.99
100 - 999 £0.69 £0.83
1000 - 9999 £0.59 £0.71
10000 + £0.42 £0.50

£0.99 / each


Up to 11,500 units
Available
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11,500 + units
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Average production time 14 + days.
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Product Specification
Thread Size 5.5mm
Length 25mm
Drive T27
Head Diameter 10.6mm
Head Height 3.7mm
Material Delta Protekt® Hardened Steel
Standard Security Torx

Next Day or Standard Delivery available via DHL or Royal Mail.
Order by 4pm (UK) for same day dispatch, Monday to Thursday or 2pm Friday.

Larger Order?

Call our sales team on

01233 713581


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5.5mm x 25mm Security Torx Countersunk Self Drilling Screw | Security Torx | Delta Protekt® Hardened Steel

This 5.5mm x 25mm Security Torx self tapping screw for metal is designed to drill, form a mating thread and fasten into compatible metal in one installation process. The countersunk head is intended to sit within a matching recess so the finished fixing can remain flush with the surrounding surface. 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

  • Sheet Metal Fabrication: Joins panels, overlapping sheets, covers and fabricated components where a flush fixing is preferred.
  • Electrical Enclosures: Secures access panels, mounting plates and enclosure components without leaving a prominent raised head.
  • Machinery and Equipment: Fastens suitable guards, housings and casings where head clearance needs to be maintained.
  • Automotive and Transport: Provides a low-profile fixing for compatible brackets, trim panels and lightweight fabricated components.

5.5mm x 25mm Security Torx Countersunk Self Drilling Screw Dimensions

  • Thread Size: 5.5mm
  • Length: 25mm
  • Head Height: 3.7mm
  • Head Diameter: 10.6mm
  • Drive: T27
  • Standard: Security Torx
  • Material: Delta Protekt® Hardened Steel

Key Benefits

  • Low-profile installed finish suits panels, covers and assemblies where clearance is important.
  • 3.7mm head height gives the specified countersunk head profile.
  • Security Torx identifies the recorded standard or drive format for this product.
  • Integrated drill point can reduce the need for a separate pilot hole in suitable metal.

See our wider Countersunk Self Drilling Screws category for alternative drive types and sizes. We also stock other styles in our metal self drilling screws range, including alternative head profiles, drives and materials. For product-selection support, speak with our team on 01233 713581.

Please call for any enquiries!
Mon - Thurs 8.30 am - 5.30 pm
Fri 8.30 am - 3.30 pm
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