M8, a Threaded Rod type part.

8mm threaded rod. 5/16" is a good equivalent

Suppliers

Name Info
Amazon B00065VD46
McMaster 94185A160
Hardware Store fasteners

Where is it used?

Module Subassembly
Cartesian Robot v1.0 Studding idler
Cartesian Robot v1.0 Studding drive
Cartesian Robot v1.0 Base diagonals
Cartesian Robot v1.0 Side diagonals
Pulley Molds Kit Z toothed pulley moulding

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