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Add to CartThis Whitecap Duplex Stainless Steel 90 Degree Thru-Hull is available in a variety of sizes and includes a barb. These thru-hulls are constructed of durable stainless steel that is more dense and has greater rust resistance than the traditional 316 stainless steel.
Specifications:
| Part Number | Hose Size | Flange O.D. | Thread Length | Barb Length | Overall Length | Cut-Out | Max Hull Thickness |
| 6576X | 5/8" | 1-7/8" | 1-5/8" | 7/8" | 3-1/8" | 1-5/16" | 1-1/4" |
| 6577X | 3/4" | 1-7/8" | 1-5/8" | 1-5/16" | 3-1/8" | 1-5/16" | 1-1/4" |
| 6578X | 1" | 1-7/8" | 1-5/8" | 1-1/8" | 3-1/2" | 1-5/16" | 1-1/4" |
| 6579X | 1-1/8" | 1-7/8" | 1-5/8" | 1-1/2" | 3-1/2" | 1-5/16" | 1-1/4" |
| 6580X | 1-1/4" | 2-3/8" | 1-5/8" | 1-1/2" | 4" | 1-1/2" | 1-1/4" |
| 6581X | 1-1/2" | 2-3/8" | 1-5/8" | 1-1/2" | 4" | 1-1/2" | 1-1/4" |
What is the Whitecap Duplex Stainless Steel 90 Degree Thru-Hull w/ Barb used for?
The Whitecap Duplex Stainless Steel 90 Degree Thru-Hull w/ Barb is a marine thru-hull fitting with a 90-degree design and integrated barb. It is available in multiple hose sizes to accommodate different installation requirements.
What material is the Whitecap Duplex Stainless Steel 90 Degree Thru-Hull made from?
The Whitecap 90 Degree Thru-Hull is constructed from duplex stainless steel. According to the supplied product description, this stainless steel is more dense and has greater rust resistance than traditional 316 stainless steel.
What hose sizes are available for the Whitecap Duplex Stainless Steel 90 Degree Thru-Hull?
The Whitecap Duplex Stainless Steel 90 Degree Thru-Hull w/ Barb is available for 5/8", 3/4", 1", 1-1/8", 1-1/4", and 1-1/2" hose sizes. Check the hose size and other dimensions for the specific part number before installation.
What are the cut-out sizes for the Whitecap Duplex Stainless Steel Thru-Hull?
The 6576X, 6577X, 6578X, and 6579X models require a 1-5/16" cut-out. The 6580X and 6581X models require a 1-1/2" cut-out. All listed models have a maximum hull thickness of 1-1/4".
What is the maximum hull thickness for the Whitecap Duplex Stainless Steel 90 Degree Thru-Hull?
All listed Whitecap Duplex Stainless Steel 90 Degree Thru-Hull models have a maximum hull thickness of 1-1/4". Verify the specific part number and installation dimensions before selecting a thru-hull fitting.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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