5.5mm x 90mm Torx Countersunk Self Drilling Screw (T25) DIN 7504OT | A2 Stainless Steel

Product code: DR7504OT-5.5-90-A2
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5.5mm x 90mm Torx Countersunk Self Drilling Screw (T25) DIN  7504OT | A2 Stainless Steel
5.5mm x 90mm Torx Countersunk Self Drilling Screw (T25) DIN  7504OT | A2 Stainless Steel
5.5mm x 90mm Torx Countersunk Self Drilling Screw (T25) DIN  7504OT | A2 Stainless Steel
5.5mm x 90mm Torx Countersunk Self Drilling Screw (T25) DIN  7504OT | A2 Stainless Steel
5.5mm x 90mm Torx Countersunk Self Drilling Screw (T25) DIN  7504OT | A2 Stainless Steel
5.5mm x 90mm Torx Countersunk Self Drilling Screw (T25) DIN  7504OT | A2 Stainless Steel
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
200 - 1999 £0.66 £0.79
2000 - 4999 £0.47 £0.56
5000 + £0.37 £0.44

£0.79 / each

Minimum Order: 200

Average production time 14 + days.
Vital Parts - Here to make bulk ordering easy.

Product Specification
Thread Size 5.5mm
Length 90mm
Drive T25
Head Diameter 10.3mm
Head Height 3.00mm
Material A2 Stainless Steel
Standard DIN 7504OT

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.

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01233 713581


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5.5mm x 90mm Torx Countersunk Self Drilling Screw | DIN 7504OT | A2 Stainless Steel

For workshop fabrication, repairs and general metal assembly, this 5.5mm x 90mm Torx self drilling screw can create its own entry hole in compatible metal before the thread engages the receiving material. The countersunk profile is useful where clearance, appearance or the positioning of adjacent parts requires a flush fixing. The A2 Stainless Steel construction provides good corrosion resistance for general engineering, sheet-metal fabrication and suitable exposed applications.

What Are Countersunk Self Drilling Screws?

Countersunk Tek Screws are commonly used for metal-to-metal fastening where both self drilling performance and a flush installed head are required. Correct driver size, material thickness and countersink depth are important for secure installation.

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 90mm DIN 7504OT Countersunk Self Drilling Screw Dimensions

  • Thread Size: 5.5mm
  • Length: 90mm
  • Head Height: 3.00mm
  • Head Diameter: 10.3mm
  • Drive: T25
  • Standard: DIN 7504OT
  • Material: A2 Stainless Steel

Key Benefits

  • Low-profile installed finish suits panels, covers and assemblies where clearance is important.
  • 3.00mm head height gives the specified countersunk head profile.
  • DIN 7504OT 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.

Compare more sizes in our Countersunk Self Drilling Screws range. You can also compare other metal fasteners in our complete self drilling metal screws range, including pan head and alternative self-drilling designs. If you are unsure which drive or standard suits your application, contact our team on 01233 713581.

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