Using the wrong head and size can lead to stripped fixings or
a damaged tool. To help you select the correct key for the
job, we've provided the visual guide below.
Key Sizes
PAGE 2
25°
Working
Angle
Hex
Ball Hex
TORX®
Tamper-
Resistant
TORX®
Hex
1.5, 2, 2.5, 3, 4, 5, 6, 8, 10mm
Ball Hex
1.5, 2, 2.5, 3, 4, 5, 6, 8, 10mm
TORX® & Tamper-Resistant TORX®
T10, T15, T20, T25, T27, T30, T40, T45, T50
To ensure that you have the right tool for the job, our experts
have selected the most popular and useful sizes. The TZ18PRO
18 Piece Hex & Torx Key Set consists of the following sizes:
