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Carbon Steel Self-Drilling Screws 5.5 x 120mm 100 Pack (95940)

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 120mm 100 Pack is rated 4.8 out of 5 by 79.
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Rated 1 out of 5 by from Dont waste your money I have used about 20 so far and only 5 were successful. Even when resorting to using a pilot they still either break at the shaft of the drill end snaps. The was all on flat perfect working conditions!! Waste of time and money!!
Date published: 2017-09-10
Rated 5 out of 5 by from does the job used to fix tin sheets on roof. drilling action good, all round good solution
Date published: 2017-08-20
Rated 5 out of 5 by from Outstanding performance Does exactly what its supposed to. Right through angle iron and steel with a minimum of fuss and a good drill with decent rpm.
Date published: 2017-08-20
Rated 5 out of 5 by from Do what is required! Good screw doing exactly what is intended - affixing to box section steel. Used for attached hay net rings to stable structures - they wont move now! Remember you will need a suitable driver attachment for your drill. Exactly 100 in box - which was what I needed as 4 holes per fitting, 25 fittings!
Date published: 2017-08-17
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Can i use these to drill through corrugated iron sheet 25mm celetex and then into my wooden beam.

Asked by: nutjobdad
Hi nutjobdad, As long as the thickness of the sheet you are attaching to the steel leaves enough thread this should go through the corrugated iron sheet and into wood fine. Thank you for using Q&A. JBT
Answered by: JButt
Date published: 2017-09-16

Is a Hex Driver included in the pack, and if not, what size Hex Driver do they require?

Asked by: Fitter01
Sadly Screwfix answered this question incorrectly. Having now received the screws they in fact take an 8mm Hex Nut Driver NOT a 10mm! The box lid on the fixings even says so!!
Answered by: Fitter01
Date published: 2017-08-10

I see the hex is 8mm, but what is the washer dia ? I need this to choose the correct cap fitting from coroline

Asked by: ryszui
Hello ryszui, The internal diameter is approximately 6m with it being approximately 16mm externally. Thank you for using Q & A. DC
Answered by: Dcoz
Date published: 2017-08-08

can i fix aluminium with this or will it corrode?

Asked by: Screwfixdoesmyheadin
Hello. These carbon steel self-drilling screws are bright zinc plated to prevent corrosion so will work with aluminium. Thank you for using Q&A, [BH].
Answered by: yeldarb
Date published: 2017-07-25

Are these OK for fixing to timber?

Product description says for fixing metal to metal but will they also work reliably fixing metal to wood?
Asked by: DIYblogger
Hello DIYblogger, We can only recommend these are suitable for metal to metal and would recommend using a screw specifically made for metal to wood. Thank you for using Q & A. DC
Answered by: Dcoz
Date published: 2017-06-13
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Specification
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 120 mm
Product Type Self-Drilling Screws
Screw Diameter (mm) 5.5 mm
Screwdriver Type Hex
Suitable Use Type Suitable for Outdoor Use