M4 Nylon LED spacer post/plastic/led isolation post/LED lamp base post/diode lamp base

ABS plastic/black white/straight column/PCCB insulation column/mainboard hollow tube/round pad isolation column

Stainless steel/round single-head/binding post isolation post, male and female stud, single-way nut post

M2 single-head male and female support/knurled brass column/full thread isolation column

Stainless steel/iron/single-head hexagon copper stud/hexagon stud/chassis screw stud/support isolation stud

M2-M6 white plastic nylon/hexagon isolation post/spacer post/insulating support post