Torx Plus: The High-Tech Screw Hiding in Our Gadgets - iFixit
: Regardless of whether it's labeled T or TX, the real performance difference comes from the steel. Look for S2 steel for impact use (tougher) or Chrome Vanadium (CR-V) for standard hand-tightening.
Because the points on a size 20 bit are relatively small (under 4mm), cheap unhardened steel bits can twist or snap under high torque. Look for bits made of S2 tool steel or those rated for impact drivers, regardless of whether they are labeled T or TX.
You cannot size up or down. A T20 is not a "small TX20." They are parallel standards. difference between t20 and tx20
This is the most universally recognized shorthand. It is dominant in North America and is used by the original licensed manufacturers of Torx systems.
TX20 is a separate standard. If your fastener calls for TX20, use only a TX20 bit. If you mix them, you will damage either the tool, the fastener, or both.
is standard in North American and general retail contexts (e.g., Milwaukee Shockwave or Tekton Screwdrivers ). Torx Plus: The High-Tech Screw Hiding in Our
(often referred to in the market as an enhanced version or " Go to product viewer dialog for this item. " variant), it is crucial to recognize that the T20P (T20 Pro) Go to product viewer dialog for this item.
Let’s look at the raw physics. While T20 and TX20 are "size equivalent" they perform drastically differently.
If you want, tell me the exact product category (projector, router, etc.) and I’ll tailor the post to that use case. Look for bits made of S2 tool steel
If you take a standard pen and try to draw the shape of a T20, you draw a skinny, deep star. If you draw a TX20, you draw a fat, shallow, stubby star. The TX20 looks like someone took a T20 and filled in the "valleys" with concrete.
Before comparing T20 and TX20, it's essential to understand the Torx system itself. Developed in 1967 by Camcar Textron (now Acument Intellectual Properties), the Torx drive is a fastener system characterized by a six-pointed, star-shaped recess. Its official name is "hexalobular socket," but it is universally known by its trademark name, Torx.
