(Removes reference in 1st paragraph to all deaths being on Saturday)

BAGHDAD, June 3 (Reuters) - The U.S. military reported on Sunday the deaths of seven more of its soldiers, days after it recorded its deadliest monthly toll in more than two years.

All but two of the soldiers were killed by roadside bombs, by far the biggest killers of U.S. troops in Iraq.

In the worst attack, two soldiers were killed when their patrol was hit by a roadside bomb in Nineveh province, northwest of Baghdad, on Saturday.

Two others died in separate bomb attacks on Saturday in volatile Diyala province to the northeast of the capital, where 3,000 extra U.S. troops have been sent to combat a rise in violence.

Two were killed in Baghdad on Saturday, one by a roadside bomb and the other by small arms fire.

A seventh soldier was killed by a suicide bomber when a U.S. patrol attempted to question two men near a mosque southwest of Baghdad on Friday. The military had earlier said the incident happened on Saturday.

A total of 127 U.S. soldiers were killed in May, the third-highest monthly total after November 2004, when 137 were killed, and April the same year when another 135 died. Nine have died in the first two days of June.

A total of 3,487 soldiers have died since the invasion to topple Saddam Hussein began in March 2003.

The U.S. military had said it expected to suffer more casualties when it began pouring thousands of extra troops into Baghdad and other areas as part of a security crackdown aimed at dragging Iraq back from the brink of civil war.

The crackdown is meant to buy time for Prime Minister Nuri al-Maliki's government to reach a series of political benchmarks set by Washington aimed at promoting national reconciliation between majority Shi'ites and minority Sunni Arabs.

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