McGuire Glossary of Fastener Terminology

W - 6 terms

WALL THICKNESS - The thickness of meta, per side, between the shank diameter and the counterbore diameter.

WATER-BASED ADHESIVES - Adhesives that work through the evaporation or adbsorption of water in the adhesive by the substrate.

WAVE - These washers are ideal for obtaining loads when the load is static or the working range is small and the amount of axial space is limited.

WAVE SOLDER - Prcocess of applying product to PCB by placding product on a solder pad and running the board over a fountain of solder that wicks up along an exposed length of product on the opposing side of the PCB. Parts using this technology would be special products with modified design.

WEDGE HEAD - A style of insert, usually thin wall, that has a number of wedge shaped protrusions added at the intersection of the head and shank to increse spin-out from sofer materials. Can also be used to improve the eletrical connection between the insert and the panel for current carrying applications.

WORK HARDENING - Deforming metal to the point at which it can increase in hardness and strength is exhibited. Also known as Strain Hardening.