Galvanic Corrosion/Chart Galvanic corrosion occurs when two dissimilar metals are in contact in the presence of an electrolyte, which allows an electrical current to flow.
Bolt Torque Charts There are many variables in the torque-tension relationship. Therefore, these suggested torque calculations are estimates and offered as a guide only.
Thread Pitch Chart Thread pitch is the distance between threads expressed in mm. Here you will find pitch/diameter combinations for UNC, UNF and 8UN Thread Series.
Screw Point Types An illustrated guide to Sheet Metal Tapping Screws (Type A, AB & B), Thread Cutting Screws (Type 1, 17, 23, 25 & F), and Thread Forming Screws (Type C, CA, PT Trilobular & Hi-Lo).
Fastener Thread Terminology A handy reference guide defining various fastener thread terms and classes of thread.
Drive & Head Styles A guide to help distinguish between different types of drive styles and head styles.
