Fixings and Accessories

Here at Tinman Steels Ltd we have a large range of Tek Screws to suit every fixing application from single skin steel to timber, steel to steel and steel to brick work to composite panel, GRP and Fibre cement sheeting.


 What is a Tek screw?

Tek screws, also known as self-drilling screws, are becoming the go to fixing for roofing and cladding applications. The tip of a Tek screw, known as the drill tip, has a small cutting face at the end of the screw. The drill tip is used to establish a small hole in the roofing sheet by first tapping the screw against the sheet before driving it in, this provides a better starting point for drilling the screw. It also saves time by eliminating the need to pre-drill a hole before installing a fixing.


Below is a section of Tinman Steels tek screw range. If you can't see a suitable fixing we have many more in stock, either use our contact us form or give the office a call and one of our experienced staff we be able to offer a tek fixing to suit your needs.


Single skin tek screws for metal sheeting to timber, fixings available from TF25G19 with an effective thread length of 20mm to THFT175G19 with an effective thread length of 170mm

Composite panel to timber fixings tek screws with minimum to maximum panel thickness shown with each fixing length.

Single skin light section tek screws for fixing into light section steel from 1.5mm to 3.5mm in thickness available from LS25G19 with an effective thread length of 13mm upto LSHT150G19 with an effective thread of 138mm.

Single skin heavy section tek screws for fixings into heavy section steel from 6.0mm to 12.5mm in thickness.

Heavy Steel composite panel tek screws for heavy steel between 6.0mm and 12.5mm

We can also offer a range of Pipe flashings for both hot and cold applications

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