The temple was constructed using finished stones cut at the quarry, so that no hammer or chisel or any other iron tool was heard in the temple while it was being built.
Jewish Publication Society of America Version (JPS1917) - 1 Kings 6:7 >For the house, when it was in building, was built of stone made ready at the quarry; and there was neither hammer nor axe nor any tool of iron heard in the house, while it was in building. —