R-TECH Hexagonal M3 Threaded M-F A2 Stainless Steel Pillars - 5.
5mm AF - R-TECH 524393, These 5.
5mm AF hexagonal male to female spacers have an M3 tapped hole and threaded stud.
Their undercut design removes the need for washers in assembly and gives a flush fit.
R-TECH 524393 Hex Threaded M-F A2 St/St Pillar 5.
5mm M3 5mm - Pk 25