TEK® screws are available in a variety of shank lengths and diameters. Diameter is indicated by a numeric size that runs from #6 to #14, with #6 being the thinnest and #14 being the thickest. The #8 TEK® screws and #10 TEK® screws are the most commonly used.
How are Tek screws measured?
The diameter of a Tek® screw is indicated as a numeric size with a range that runs from #0 to #15. The higher the number, the larger the diameter. The most commonly used diameters are #8 Tek® screws and #10 Tek® screws.
What size is a Tek 5 screw?
These zinc plated fasteners are 12-24 thread and are 1-1/4" in length with a 5/16" hex. These screws feature a #5 drill point tip and are designed to drill through steel up to 1/2" thick.
What is a Tek 4 screw?
Tek screws, also called self-drilling screws, are self-tapping in the same way as a sheet metal screw. ... Tek 4: The #4 point can drill through steel that is 0.25 inches — or 6.35 millimeters — thick. Tek 5: The #5 point can drill through 0.5 inch — or 12.7 millimeters — of steel.Nov 28, 2011
Why are they called Tek screws?
Back in the day, the original self-drilling screws were designed by Buildex. Their brand name was “Tek” screw. They became so popular that the word “tek” screw is now synonymous with self-drilling screw. ... It was a real quality part, it allowed the screw to lock into the application like a “locking washer”.
What does Tek mean in screws?
self-drilling screws
Is a tek screw a self drilling screw?
Self-Drilling Screws are commonly known by the brand name TEK® screws. ... These self-drilling screws cut their own threads for a secure grip on the mating material.
Who invented the TEK screw?
Buildex
How long have TEKS screws been around?
With over 50 years of experience and innovation, Teks Metal Fasteners delivers Pros' with optimal drilling performance and holding power.
Do you need to drill a pilot hole for self-drilling screws?
While self-tapping screws will tap a hole into a soft material, self-drilling screws are capable of drilling a hole into anything from sheet metal to wood. This key difference is self-drilling screws have a tip like a drill bit, so they do not need a pilot hole.Aug 28, 2018
Do you need to pre drill metal screws?
When you're drilling into harder material such as sheet metal you need to drill a pilot hole in advance. For thicker metal, it may require more than one screw to drill through the surface. To save time and labor, you can use self-drilling self-tapping screws to drill into metal.May 31, 2011