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Carbon Steel Self-Drilling Screws 5.5 x 32mm 100 Pack (77302)

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

  • Flange
  • Suitable for Outdoor Use

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Carbon Steel Self-Drilling Screws 5.5 x 32mm 100 Pack is rated 4.8 out of 5 by 72.
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Rated 5 out of 5 by from Self Drilling Screws 5.5x22mm Good screws. I used them for attaching METAL FLASHINGS to Insulated metal claddings. Goes through metal sheet like timber screws into timber. Highly recommend.
Date published: 2017-06-12
Rated 5 out of 5 by from Easy to drive into steel linte Faced with attaching 18mm ply to the underside of an internal wall lintel I found these screws did the job perfectly - now that job is finished I just need to find something to do that will use up the other 88 screws...
Date published: 2017-05-09
Rated 5 out of 5 by from Really very good Used to secure 2 drawer filing cabinets on top of 4 drawer cabinets. Used a shorter version to fix 9 mm plywood to existing 4 drawer cabinets and then used these to go through bottom of new cab's, through ply and into existing cabinets. In my circumstances I pre-drilled a 2 mm hole in the 2 drawer cab's just to stop the screws from 'walking' (a centre punch would have worked just as well). Anyway, using an impact driver I have managed to make a really secure fixing for the cabinets. Will use again.
Date published: 2017-03-10
Rated 5 out of 5 by from roofing screws Used to secure polycarbonate sheet on a greenhouse, post storm doris. A wide head, integral rubber washer. Self tapped through polycarbonate and into wood very nicely. 8mm socket head attachment for your drill really is required.
Date published: 2017-03-01
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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

What am I doing wrong

I bought these to fit blinds on a new builds. Trying to fix direct into steel lintels. I bought the hex drill bit too. I just can't seem to get a fix into the steel. Any advice would be appreciated, even down to drill settings etc.
Asked by: DIYdickie
DIYdickie. I'm unsure what you mean by getting a 'fix into the steel'. Do you mean you can't screw these into the lintel at all or the screws aren't biting, (pilot hole too big?). Please give us a call on 03330 112112, (lines are open 24/7) or email us on online@screwfix.com and we will try and help. Hope that helps. Thank you for using Q&A. MH
Answered by: marchington
Date published: 2017-05-25

What thickness steel is this suitable for?

Asked by: Cardiff01
Hello Cardiff01, This screw will go through 2mm thick steel. Thank you for using Q & A. DC
Answered by: Dcoz
Date published: 2017-04-19

What is nthe maximum thickness of the steel that these screws will drill into?

Asked by: BLACKIETHEONE
Hello BLACKIETHEONE, The maximum thickness of steel these screws will drill into is 4mm. Thanks for using Q&A, KC
Answered by: KirstieC
Date published: 2017-03-17

Is this screw ok on wood?

Asked by: kj38
Hello kj38, This screw is intended for metal to metal applications, so we could not recommend it's use in wood. Thanks for using Q&A, KC.
Answered by: KirstieC
Date published: 2017-03-07
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Specification
Construction Material (Screws) Carbon Steel
Head Type Flange
Manufacturer Guarantee 1 Year Guarantee
Pack Size 100
Pieces in Pack/Case 100
Product Diameter 5.5 mm
Product Length 32 mm
Product Type Self-Drilling Screws
Screw Diameter (mm) 5.5 mm
Screwdriver Type Hex
Suitable Use Type Suitable for Outdoor Use