Torx Screw
What is a Torx Screw?
Torx is a star-patterned screw drive on the head of screws. It is commonly known by different names like six-lobe or star drive while it’s called hexalobular as its ISO name.
Torx screws can have internal and external drives yet it’s usually found within the socket of the head for driving the screw during installation or removal. Torx drive can withstand high torque force that will less likely damage or cause fatigue to the screw when driven on the surface of materials.
Torx Screw Sizes
Torx Size | Metric Point Sizes |
T1 | .81mm |
T5 | 1.42mm |
T10 | 2.74mm |
T15 | 3.27mm |
T20 | 3.86mm |
T30 | 5.52mm |
T40 | 6.65mm |
T50 | 8.83mm |
T60 | 13.25mm |
T70 | 15.51mm |
T80 | 17.54mm |
T90 | 19.92mm |
T100 | 22.13mm |
Torx Screwdriver
Torx Tools
When working with Torx screws it’s important to use the matching Torx tool drive and size. There are several tools that can be used for the installation and removal of Torx screws. The following are the known Torx screwdrivers;
Security Torx – they are called security Torx because of the additional pin at the center of the socket head. This pin requires the corresponding tool which is a pin Torx or security Torx. This feature allows the Torx screws to be tamper-proof and suitable for areas of application that needs security.
Standard Torx – have the 6-point drive that suits the six-lobe points of Torx screws. They make the driving of Torx screws easier during installation or removal.
Different Known Types of Torx Screw Materials
Material | Torx Screw Types |
Alloy Steel |
|
Stainless Steel |
|
Types of Screw Head
The head of screws have multiple available types of head style for different kinds of screws. The following are the common types of screw heads: