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SexBolt Z endstop This an alternative way to do the Z endstop pin in a V2, instead of using a deflanged GT2 20T pulley, it uses 2 5x7x8 sleeve copper bearings/bushing this is pretty simple to assemble. The reason behind this is to help keep the pin from falling out. ASSEMBLY MANUAL BOM Screws Size Qty Link M4x8 SHCS 1 Bolt Depot - M4x8 SHCS 5mmx20mm Binding Screw 1 Amazon - Binding Screw M2x8 Self Tapping 4 Amazon - M2x8 SHCS Self Tapping 5x7x8 Sleeve Bearing 2 Amazon - Sleeve Bearing Z endstop PCB 1 Formosissima - Z endstop PCB Full kit can be purchased here or here (Aliexpress affililate link for HartK) First just insert two of the sleeve bearings into the top, they should bottom out with about 2mm or so poking out the top Next insert the female side of a 5mmx20mm chicago screw (sex bolt, binding barrel) and screw in the M4x6 or M4x8 SHCS with some loctite to make sure it doenst move over time Next insert the Z endstop PCB and secure it with 4 m2x10 self tapping screws Next just secure it to your V2 like you would the stock Z endstop This mod was based on the work done by Voron Discord User L.e.o.p.a.r.d for the Micron 3d printer.