Verses with the word mattocks in the Old Testament (2 verses):

1 Samuel 13:21
Yet they had a file for the mattocks, and for the coulters, and for the forks, and for the axes, and to sharpen the goads.

2 Chronicles 34:6
And so did he in the cities of Manasseh, and Ephraim, and Simeon, even unto Naphtali, with their mattocks round about.