Exodus 38:30

and he maketh with it the sockets of the opening of the tent of meeting, and the brazen altar, and the brazen grate which it hath, and all the vessels of the altar,

Exodus 26:37

and thou hast made for the covering five pillars of shittim wood, and hast overlaid them with gold, their pegs are of gold, and thou hast cast for them five sockets of brass.

Exodus 27:10

and its twenty pillars and their twenty sockets are of brass, the pegs of the pillars and their fillets are of silver;

Exodus 27:17

All the pillars of the court round about are filleted with silver, their pegs are silver, and their sockets brass.

Treasury of Scripture Knowledge

Summary

And therewith he made the sockets to the door of the tabernacle of the congregation, and the brasen altar, and the brasen grate for it, and all the vessels of the altar,

General references

Bible References

The sockets

Exodus 26:37
and thou hast made for the covering five pillars of shittim wood, and hast overlaid them with gold, their pegs are of gold, and thou hast cast for them five sockets of brass.
Exodus 27:10
and its twenty pillars and their twenty sockets are of brass, the pegs of the pillars and their fillets are of silver;

General references

Exodus 39:39
the brazen altar and the brazen grate which it hath, its staves, and all its vessels, the laver and its base.