5.5mm x 70mm Torx Countersunk Self Drilling Screw (T25) DIN 7504OT | A2 Stainless Steel

Product code: DR7504OT-5.5-70-A2
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5.5mm x 70mm Torx Countersunk Self Drilling Screw (T25) DIN  7504OT | A2 Stainless Steel
5.5mm x 70mm Torx Countersunk Self Drilling Screw (T25) DIN  7504OT | A2 Stainless Steel
5.5mm x 70mm Torx Countersunk Self Drilling Screw (T25) DIN  7504OT | A2 Stainless Steel
5.5mm x 70mm Torx Countersunk Self Drilling Screw (T25) DIN  7504OT | A2 Stainless Steel
5.5mm x 70mm Torx Countersunk Self Drilling Screw (T25) DIN  7504OT | A2 Stainless Steel
5.5mm x 70mm Torx Countersunk Self Drilling Screw (T25) DIN  7504OT | A2 Stainless Steel
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
200 - 1999 £0.48 £0.58
2000 - 4999 £0.34 £0.41
5000 + £0.27 £0.32

£0.58 / each

Minimum Order: 200

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

Product Specification
Thread Size 5.5mm
Length 70mm
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 70mm Torx Countersunk Self Drilling Screw | DIN 7504OT | A2 Stainless Steel

Designed for signage, display equipment and metal framework, this 5.5mm x 70mm self drilling countersunk screw combines an integrated drill point with a self-tapping thread and countersunk head. The T25 drive provides the specified tool engagement while the tapered head helps reduce protrusion once installed into a suitable countersunk recess. 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 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 70mm DIN 7504OT Countersunk Self Drilling Screw Dimensions

  • Thread Size: 5.5mm
  • Length: 70mm
  • Head Height: 3.00mm
  • Head Diameter: 10.3mm
  • Drive: T25
  • Standard: DIN 7504OT
  • Material: A2 Stainless Steel

Key Benefits

  • Self-tapping thread forms a mating thread as the screw is driven into compatible material.
  • Low-profile installed finish suits panels, covers and assemblies where clearance is important.
  • 10.3mm head diameter provides the stated countersunk bearing width.
  • DIN 7504OT identifies the recorded standard or drive format for this product.

View the full Countersunk Self Drilling Screws range to compare diameters, lengths, drives and materials. You can also compare other metal fasteners in our complete stainless steel self-tapping screws range, including pan head and alternative self-drilling designs. If you need help choosing the correct screw for your material thickness, call us on 01233 713581.

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