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Self drilling screws, also called tek screws, have a drill point that cuts its own hole in steel. They fasten roofing sheets, purlins, steel studs and metal brackets without pre-drilling. This collection has Ingco hex-head self drilling screws and Mega Red Star tek screws.
How to choose a self drilling screw
- Length: the screw must pass through the sheet and fully into the steel underneath, so choose by the total thickness you are fastening.
- Head type: hex-head screws are driven with a nut setter and are the usual choice for roofing and steel framing.
- Sealing: for roofing, a screw with a sealing washer helps keep water out. Check the product page for what is included.
Use with
Drive tek screws with an impact driver or cordless drill and a nut setter. For concrete and masonry, use anchors instead.
All products from KHM Megatools are genuine.
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