You may have found yourself staring at a screw head that looks almost like a standard T20, but not quite—your bit fits loosely, or worse, it doesn’t fit at all. You are likely looking at a fastener.
Buy a combo rail. Brands like Wiha, Wera, or Tekton sell "Torx & Torx Plus" combo sets because manufacturers know users confuse them. difference between t20 and tx20
There is between a T20 and a TX20 bit; they are simply two different naming conventions for the same Torx size. The "T" stands for Torx, while "TX" is often used by specific manufacturers or retailers to denote the same six-pointed star-shaped driver. The Truth About T20 vs. TX20: A Quick Tool Guide You may have found yourself staring at a
If you tell me the specific product or manufacturer for “T20” and “TX20”, I can give a precise, model-by-model comparison. Brands like Wiha, Wera, or Tekton sell "Torx