Specifically designed to attach wood to heavy section steel (Max. 12mm). Metric thread with wings designed to ream out the timber, so the screw can achieve Max. R.P.M. without burning out. When the wings hit the metal they will break off to permit the thread to self-tap into the metal. Thread Dia. mm: 5.5 Length mm: 45 Head Type: Countersunk with Ribs Recess Type: Phillips Point Type: Self-Drilling No.4 Finish: Zinc Material: Case & Core Hardened Carbon Steel Effective Thread Length mm: 15 Max Drilling Thickness mm: 12.0 To Suit Timber mm: ≤13Size 5.5 x 45 - 200 pcs

Handle With Care

Something not quite right? You have 28 days from the day you receive it, to send something back.

Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken.

Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.

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