Torx(redirected from ISO 10664)
A trademark for a screw with a head having a socket shaped like a six-pointed star and for a screwdriver with a tip that fits it.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.