Nylon Hex Standoff F-F M4x30mm (10-Pack) - ProtoSupplies

Nylon standoffs are useful for permanently mounting circuit boards or to serve as feet. F/F standoffs accept screws from both ends.
Non-conductive with female/female M4 threads

Non-conductive 8mm long with M3 threads

Nylon Hex Standoff F-F M3x8mm (10-Pack)

ProtoSupplies

Electronic Hardware Product Lines by UNICORP Standoffs Handles

Uxcell Brass M4 15mm+6mm Male-Female Hex Standoff Screw Nut Kit 10

RS PRO RS PRO Standoff, M4 x M4 Thread, 30mm Body, Nylon, Male

Spacers and Standoffs - J C Gupta & Sons

Standoff M3 Aluminium Hex 5mm x 30mm Black (4 Pack) - ImpulseRC

Fans & Hardware Archives - ProtoSupplies

Spacers and Standoffs - J C Gupta & Sons

Non-conductive with male/female M4 threads

Nylon Hex Standoff M-F M4x18mm (10-Pack)

Description These nylon standoffs are 3/4 long and tapped for a 4-40 screw. These are great for mounting your board in an enclosure, or just getting

Standoff - Nylon (4-40; 3/4; 10 pack)

MYAMIA M4Nh2 50Pcs M4 Nylon Hex Hexagonal Female

YOKIVE 10 Pcs M4 Spacers, Brass Hex PCB Standoffs Nuts, Keep