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Rawlplug Self-Drilling Roof to Steel Screws + Washer 5.5 x 32 x 3.2mm 100 Pack (92744)

For fixing corrugated sheet metal to thick steel constructions. Self-drilling point. Partially threaded. Supplied with washer. Max drilling capacity 12mm. Min distance between fasteners 30mm.

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1 - 4 £15.53
5 + £13.97
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Rated 4.1 out of 5 by 21 reviewers.
  • 2016-04-29 T06:46:27.597-05:00
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Rated 5 out of 5 by excellent product Stayed sharp through 3mm alloy sheet and 8mm steel frames and did the job perfectly, sharper than most of my drill bits!. 23 Nov 2015
Rated 5 out of 5 by Roofing SD screws Excellent value no problem drilled through sheets and steel frame recommended 17 Aug 2015
Rated 5 out of 5 by Self Tapping Srew This screw is ideal for fixing metal sheet to a metal frame. 3 Jul 2014
Rated 5 out of 5 by Self Drilling Screw Does excactly whats it meant to do Drills a whole then firmly affixes 28 May 2014
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1 Question  1 Answer

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I need to screw a thin metal brackets to steel Girders of apprx 15mm thick .
Will this screw self drill Or will it still require a Pilot hole .
Or -- I am open to suggestions as to other fixings , the bracket hole is 4mm
Regards
Trev
21 Oct 2015
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Doncaster
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Answer: 
Hi,

A pilot hole will need to be drilled (4mm is fine) as the thickness of the girder is 15mm. The drilling point on the screws will drill through a maximum thickness of 5mm. Finding a screw with a sufficiently long drilling tip would likely prove problematic and as such this using this product after pre-drilling will probably be the best solution.
22 Oct 2015
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Specification
Brand Rawlplug
Drilling Action Self-Drilling
Pack Size 100
Pieces in Pack/Case 100
Product Diameter 5.5 mm
Product Length 32 mm
Product Thickness 3.2 mm
Product Type Roof to Steel Screws + Washer
Thread Length Fully threaded
Total Product Weight 0.639 kg