Valley Nut & Bolt's marine products line offers our customers a wide range of marine manhole sizes, shapes, and mounts. In addition to manholes, VNB offers a variety of custom manufactured marine products. For more information email Doug Nelson or call him at (360) 951 2982.

Square Combing
Oval Flush
Oval Combing
Oval Deck
Oval with handles
Oval with Handles
Round flush

Download the flush mount marine manhole specifications for oval and round manholes. Other sizes and shapes are also available.

Download the deck mount marine manhole specifications for oval and round manholes. Other sizes and shapes are also available.

Download the combing mount marine manhole specifications for oval and round manholes. Other sizes and shapes are also available.

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