
Concealed Head Standoffs
Threaded standoffs fitted into a blind hole, hidden from the front.

Standoffs that give a reliable earth path to the chassis.
Grounding standoffs make a dependable electrical connection between a PCB and the metal chassis, while also holding the board at a set height.
Full dimensions, preferred lengths and installation / push-out / torque-out performance data are shown in the datasheet below, taken from the self-clinching fasteners catalogue.
| Part numbers | KB-SOSG |
|---|---|
| Stainless Steel | KB-SOSG |
| Sizes | M3 |
| Sheet hardness (KB-SOSG) | HRB 70 or less |
Dimensions, preferred lengths and performance data from the self-clinching fasteners catalogue.


Threaded standoffs fitted into a blind hole, hidden from the front.

Closed-end threaded spacers, sealed on one side.

Threaded spacers open at both ends.

Unthreaded spacers for a screw that passes right through.

Snap-top standoffs: push the board on, no screw needed.

Standoffs with a locking thread that resists screw loosening.