Cast bronze. Flange is machined to fit hull and grooved to retain bedding
compound. Comes with flange nut. Pipe sizes and dimensions are listed on product
specs chart.
Perko Thru Hull Specs
Model#
Thread Size
Max Hull Thickness
Flange Diameter
0350004DPC
5/8"
1 1/16
1 1/2"
0350005DPC
3/4"
1 5/8"
1 7/8"
0350006DPC
1"
1 3/4"
2 1/4"
0350006ADPC
1 1 1/8
1 3/4"
2 1/4"
0350008DPC
1 1/2"
1 7/8"
3 1/8"
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