VELOCITY PINS W/WASHER

Refers to power-actuated drive pins with a washer, specifically those used with a powder-actuated tool for fastening materials to concrete or steel. These pins are designed to be driven into a base material with high velocity, using the force of the powder charge. The washer helps distribute the load and prevents the pin from sinking too deeply into the material. 

External Retaining Ring

Known as a External link opens in new tab or windowsnap ring, is a fastener that secures components onto the outside of a shaft or similar cylindrical part by fitting into a groove. It's designed to create a shoulder that prevents parts from sliding off the shaft. 

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