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4.2mm x 13mm Black Self Drilling Wafer Head Screws Steel Self Tapping Screws for Metal Sheets Roofing Windows (Pack of 50) : Amazon.co.uk: DIY & Tools
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6 x 1-1/4" Pan Head Self Drilling Screws, Phillips Drive, 410 Stainless Steel Sheet Metal Screws,Self Tapping, Dovetail Screws, Pack of 100 : Amazon.co.uk: DIY & Tools
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5.5mm (No.12) x 38mm Self Drilling Torx Countersunk Screws (DIN 7504P) - A2 Stainless Steel: Accu.co.uk: Precision Screws
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