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

Standoffs with a locking thread that resists screw loosening.
Screw lock standoffs have a locking thread feature that grips the screw and stops it vibrating loose, with no extra lock washer or adhesive.
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-DSO, KB-DSOS |
|---|---|
| Zinc Plated Steel | KB-DSO |
| Stainless Steel | KB-DSOS |
| Sizes | M3 |
| Sheet hardness (KB-DSO) | HRB 80 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.

Keyhole-mount standoffs that slide and lock a board in place.