Specifications of These Heavy Steel TEK screws
- Pack Size: 100
- Head: Hex Head
- Application: Self-Drilling
- Use: For fixing into heavy steel
- Washer: 19mm bonded sealing
- Lengths available: 38mm to 185mm
TEK Screws & TEK Fixings
These self-drilling TEK screws have a 5/16th hexagonal head for attaching sheets to heavy section steel purlins. Under the screw head, is a stainless-steel washer and bonded neoprene pad to create a seal with the sheet. It is vital to use the correct TEK screws and TEK fixings for the correct sheets and purlins; if youre unsure then we can help point you in the right direction.
Dont hesitate to contact us with any queries you may have about our TEK fixings and TEK screws.
Self-drilling TEK screws with a 5/16th hexagonal head for attaching sheets to timber purlins. Under the screw head, there is a stainless-steel washer and bonded neoprene pad to create a seal with the sheet. The type of TEK screws you’ll need is dependent on what they are being used on, so be sure to select the TEK screws that are right for your needs.
What Screws Should I Use For My Sheets?
Important:Alwaysevenlyspace your screw fixings across roofing sheets.Do not over-tighten or under-tighten your screws as this can affect the performance of the washer and prevent it from sealing correctly.
32/1000 sheets– Use 22mm stitching screws to fix flashings/sheets to other sheets.We recommend using TF32-S19 screws to fix the sheets on to purlins.
34/1000 sheets– Again, use 22mm stitching screws to fix flashings/sheets to other sheets.We recommend using TF32-S19 screws to fix the sheets on to purlins.Screws should be no more than 400mm apart when securing the flashing
13/3sheets– Use 65mm BAZ TEK Screws which are self-drilling and self-sealing.When fixing your 13/3 corrugated sheeting, it’simperativethey are fixed at the crest point.Colour caps can be used to match or contrast with the roof sheeting you are using. This is an effective way of hiding the silver screws from view. Stitcher screws at 22mm are advised for securing flashings in place
41/1000 sheets– We recommend using 22mm TF32-S19screws which are self-drilling and self-sealing.Colour caps can be used to match or contrast with the roof sheeting you are using.Purlin spaces for tile sheets need to be 600mm apart.
Ridge Caps-Should befixed using self-drilling TEK-type stitching screws.Each ridge should be overlapped by a minimum of 200mm.
For Flashings– The22mm stitcher screws are advised for securing flashings in place.Screws should be no more than 400mm apart when securing the flashing.
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