Pins insert through holes in assemblies to secure components in place and create removable connection points between them. Dowel pins insert into holes and align components to each other. Clevis pins insert through holes in shafts and lock into place using a cotter pin. Cotter pins insert into shafts to secure components in place. Industrial safety pins lock themselves into place using an integrated lock mechanism. Grooved pins feature grooves along their length that compress to create a friction fit inside their hole. Hitch pins secure trailers and other dynamic loads using an included cotter pin. Spring pins insert into mounting holes and hold themselves in place using tension and friction. Lynch pins insert into holes in assemblies and lock into place using a spring-loaded ring. Taper pins insert into holes and progressively increase their holding power as they are driven in. Quick-release pins and receptacles quickly and temporarily secure items in place.