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View Full Version : D Marked Round Bolt


Greg V
10-10-2009, 06:16
Has anyone seen a D marked round bolt before? As far as I know, this is the only marking. Anyone know the manufacturer?

Thanks, Greg V
lbelflowers
10-10-2009, 11:58
Drillmation(think it was a Vietnam War era contract,should have gas relief hole in bottom).