Nylon Hex Standoff F-F M4x40mm (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

Nylon F/F 1 x 1/4 Standoffs (4-40) (10) - RobotShop

Nylon F/F 1 x 1/4 Standoffs (4-40) (10) - RobotShop

HEX STANDOFF #4-40 NYLON 3/4, Pack of 10 (4509-440-N): : Industrial & Scientific

: Tools & Home Improvement

4mm (M4) Nylon Spacers Standoff Washers (12 Pack) 4 x 15mm, 4 x 10mm, 4 x 5mm - Black

Project System for Teensy 4.1 Acrylic Enclosure - ProtoSupplies

Screw M4 Hex Nylon Standoff Black Male Female Plastic Mount

4 40 Standoff for sale

4 40 Standoff for sale

Ochoos 10Pcs M4 x 40mm + 6mm White Black Plastic Nylon Plastic