Carbon Steel Self-Drilling Screws 5.5 x 25mm 100 Pack (54743)

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Carbon Steel Self-Drilling Screws 5.5 x 25mm 100 Pack (54743)

BZP. For fixing corrugated sheet metal to steel constructions. Excellent quality for general exterior construction.

  • Washer
  • Suitable for Outdoor Use

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Carbon Steel Self-Drilling Screws 5.5 x 25mm 100 Pack is rated 4.8 out of 5 by 102.
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Rated 5 out of 5 by from super screws Good job done hex drive - non slip self drilling - you can feel it bite very happy with each one used a pleasure to work with!
Date published: 2018-08-04
Rated 5 out of 5 by from Self Tappers Bought three boxes of self tapping screws great value and quick and friendly service. The quality is outstanding not like the cheapie stuff out there.
Date published: 2018-08-04
Rated 5 out of 5 by from self tapping 8mm headed screws No issues at all used to fix steel cladding to 1/4 inch thick 3 inch angle iron. On reflection perhaps should have purchased the shorter 25mm screw but would have been more expensive? You have to wonder why?
Date published: 2018-07-23
Rated 5 out of 5 by from Spot on Perfect for my needs. Good quality and reliably easy to use.
Date published: 2018-07-11
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Shank length

Hi, is 32mm the length of the shank or the total length including the hex head and washer?
Asked by: Macw99
Hello. As a rule screws are measured by how much goes into the work i.e. a countersunk screw would be the entire length but in this instance the dimension would be measured from below the head. I hope that helps. Thank you for using Q&A. MH
Answered by: marchington
Date published: 2018-07-31

Are these screws threaded full length? Are they suitable for use in aluminium?

Asked by: Ruandy
Hello Ruandy, Apart from the self drilling tip these are threaded to the top and these can be used in aluminium. Thank you for using Q and A.JB
Answered by: jboon
Date published: 2018-07-20

Would these be suitable for fixing a cabin hook to an aluminium door frame?

Asked by: davewk
Hello davewk, These screws should be suitable for your intended purpose. Thank you for using Q & A. DC
Answered by: Dcoz
Date published: 2018-04-19

Will these secure plywood to 3mm thick mild steel by "self tapping" into the steel?

Asked by: TrikerPete
Hello TrikerPete This screw is designed for affixing corrugated sheet metal to steel constructions but you're on the right track. The better one for affixing metal to wood would be something like the Easydrive Self-Drilling Screws 5.5 x 50mm (1027H) which screwfix currently sells. Thank you for using Q&A (CW)
Answered by: Cwalm
Date published: 2018-04-17

Plastic Cladding

Hi. I’m screwing some plastic cladding to an aluminium frame. Are these screws suitable or would I be better off with something else? If so, what would you recommend? The cladding is 5mm thick.
Asked by: DIYMum22
Hi DIYMum22, Unfortunately Screwfix is unable to offer installation or usage advice other than that contained in the manufacturer’s instructions. Neither are we allowed to recommend specific products. We would also recommend contacting a suitably qualified tradesperson for advice. The screw is possibly suitable for purpose, but probably does not need to be 75mm (3") long. Look for a similar screw but with a shorter thread more suitable to what you want to attach. Thank you for using Q&A. PB
Answered by: Pebo
Date published: 2018-06-09
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Specification
Colour BZP
Construction Material (Screws) Carbon Steel
Head Type Washer
Manufacturer Guarantee 1 Year Guarantee
Pack Size 100
Pieces in Pack/Case 100
Product Diameter 5.5 mm
Product Length 25 mm
Product Type Self-Drilling Screws
Screw Diameter (mm) 5.5 mm
Screwdriver Type Hex
Suitable Use Type Suitable for Outdoor Use