Also, since delrin is a bit flexable, drill the holes so the bolts cut a thread in it. This will further watertight the job. Jim Davis S/V Isa Lei -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.alberg30.org/pipermail/public-list-alberg30.org/attachments/20020418/acb464e1/attachment-0003.htm>