Verses with the word hammer in the Old Testament (6 verses):

Judges 4:21
Then Jael Heber's wife took a nail of the tent, and took an hammer in her hand, and went softly unto him, and smote the nail into his temples, and fastened it into the ground: for he was fast asleep and weary. So he died.

Judges 5:26
She put her hand to the nail, and her right hand to the workmen's hammer; and with the hammer she smote Sisera, she smote off his head, when she had pierced and stricken through his temples.

1 Kings 6:7
And the house, when it was in building, was built of stone made ready before it was brought thither: so that there was neither hammer nor axe nor any tool of iron heard in the house, while it was in building.

Isaiah 41:7
So the carpenter encouraged the goldsmith, and he that smootheth with the hammer him that smote the anvil, saying, It is ready for the sodering: and he fastened it with nails, that it should not be moved.

Jeremiah 23:29
Is not my word like as a fire? saith the LORD; and like a hammer that breaketh the rock in pieces?

Jeremiah 50:23
How is the hammer of the whole earth cut asunder and broken! how is Babylon become a desolation among the nations!