RS PRO Bright Zinc Plated Steel Self Drilling Screw M4.2 x 1in Long x 25mm Long

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Subtotal (1 box of 100 units)*

£7.81

(exc. VAT)

£9.37

(inc. VAT)

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  • 88 unit(s) ready to ship
  • Plus 89 unit(s) ready to ship from another location
  • Plus 105 unit(s) shipping from 03 December 2025
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Per unit*
1 - 4£7.81£0.078
5 - 9£7.41£0.074
10 - 29£7.02£0.07
30 +£6.55£0.066

*price indicative

RS Stock No.:
546-5828
Brand:
RS PRO
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Brand

RS PRO

Length Metric

25mm

Material

Steel

Thread Size mm

4.2mm

Thread Size Metric

M4.2

Standards Met

DIN 7504K

Imperial or Metric

Metric

Length Imperial

1in

Finish

Bright Zinc Plated

Drive Type

Hex

Head Shape

Hex Washer

COO (Country of Origin):
TW

RS PRO Hex Head Self-Drilling Screw


Introducing the RS PRO Hexagon Head Self-Drilling Screws, a pinnacle in fastening technology by the trusted RS PRO brand. Crafted from zinc-plated and passivated hardened steel, these self-drilling screws redefine efficiency in securing sheet metal up to 5mm thick. The distinctive flange head eliminates the need for a washer, ensuring seamless pressure distribution during application. Thanks to their versatility, these screws are suited to a wide range of applications and environments, making them the perfect addition to any DIY or professional tasks.

Features and Benefits:


  • These RS PRO Hex Head screws offer enhanced clamping pressure for secure and robust connections across a wide range of applications and environments

  • Engineered from zinc-plated steel, these screws offer exceptional corrosion protection making them ideal for indoor applications where durability is paramount

  • Thanks to the integrated flange head, the screw head effectively distributes load, adding stability to any fastening application

  • Compliant with DIN 7504 standard, these screws adhere to stringent quality and performance standards, ensuring optimum performance and quality

Applications:


Hex head self-drilling screws are purposely designed with a hexagonal head that allows for easy tightening with a screwdriver, drill or ratchets. They are designed to create threads as the screw is driven into the material which eliminates the need for pre-drilling and makes it particularly useful for fastening metal sheets or plastic. Depending on the fastening requirement, these screws are versatile in that there are different variations of materials and sizes, and are often used in construction, woodworking, automotive projects, and much more. The self-tapping design really streamlines the fastening process, making these types of screws popular in a range of professional industries as well as for DIY enthusiasts and hobbyists.

Why RS PRO?


RS PRO is the own brand of RS. The RS PRO Seal of Approval is your assurance of professional quality, a guarantee that every part is rigorously tested, inspected, and audited against demanding standards. Making RS PRO the Smart Choice for our customers.

Note

M4.2 screw requires a 7 mm socket to fit.
M4.8 and M5.5 screw requires a 8 mm socket to fit.

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