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Introduction to Fastening Methods
There are several options when choosing your fastening method. The intent of this section is to give an overview of points to consider as well as a brief summary of fastening options. While the variety may seem overwhelming, you can narrow down your selection based on properties of your desired fastener. As a way to simplify your decision-making process, it's easiest to categorize fasteners into two main groups: internal fasteners and external fasteners. Most of the fastening connections offered by 80/20 fall into one of these two groups and each group has unique attributes and properties.
Internal connections create strong bonds between proles because, in most cases, the fastener is machined into the prole. They are easy to assemble, require few parts, and are simple to work into your design. External connections mount to the outside of the T-slot, strengthen connection points, and are easy to implement into the application. Most external connections are recongurable and can be mounted anywhere along the T-slot. Fastener recessed in T-slot Fewer parts Easy to assemble Easy to incorporate Hardware typically included Hidden connections available Options for innite positioning Typically will not affect design area Mount to T-slot Usually no machining required Options for innite positioning Easy to implement Recongurable connections Ability for variable angles Strengthen connection points Assemble with simple hardware Options for connecting more than two proles
INTERNAL BENEFITS EXTERNAL BENEFITSPrevious Page