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Thru-Hull Fittings
Product Availability Notice:
Not all products shown online are stocked at our retail location. Many items may be available from our warehouse or suppliers and can be ordered for you. Availability and shipping times vary.
If calling to check availability or price, please have the manufacturer's part number (MPN) ready. We are unable to search our product database by description alone.
Not all products shown online are stocked at our retail location. Many items may be available from our warehouse or suppliers and can be ordered for you. Availability and shipping times vary.
If calling to check availability or price, please have the manufacturer's part number (MPN) ready. We are unable to search our product database by description alone.
Sub Categories
![GROCO 1" Bronze Extra Long Thru-Hull Fitting w\/Nut [THXL-1000-W]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16162/20317/75344XL__10044.1677991528.jpg?c=1 "GROCO 1\" Bronze Extra Long Thru-Hull Fitting w\/Nut [THXL-1000-W]")
GROCO
GROCO 1" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1000-W]
1" Bronze Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 1"Material: BronzeBox Dimensions: 3"H x 3"W x 6"L WT: 1 lbsUPC:...
![GROCO 3\/4" Bronze Extra Long Thru-Hull Fitting w\/Nut [THXL-750-W]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16161/20316/75343XL__70317.1677991526.jpg?c=1 "GROCO 3\/4\" Bronze Extra Long Thru-Hull Fitting w\/Nut [THXL-750-W]")
GROCO
GROCO 3/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-750-W]
3/4" Bronze Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination threadC83600 Bronze Specifications:Hose Size: 3/4"Material: BronzeBox Dimensions: 3"H x 3"W x 7"L WT: 0.8...
![GROCO 2-1\/2" Bronze Combo Scoop Thru-Hull w\/Nut [STH-2500-W]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16153/20308/75335XL__65151.1677991509.jpg?c=1 "GROCO 2-1\/2\" Bronze Combo Scoop Thru-Hull w\/Nut [STH-2500-W]")
GROCO
GROCO 2-1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-2500-W]
2-1/2" Bronze Combo Scoop Thru-Hull w/Nut Features:Designed for increased flow compared to standard Thru HullsNPSM / NPT combination threadC83600 BronzeSpecifications:Thread NPS: 2-1/2"...
![GROCO 2" Bronze Combo Scoop Thru-Hull w\/Nut [STH-2000-W]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16152/20307/75334XL__19669.1677991507.jpg?c=1 "GROCO 2\" Bronze Combo Scoop Thru-Hull w\/Nut [STH-2000-W]")
GROCO
GROCO 2" Bronze Combo Scoop Thru-Hull w/Nut [STH-2000-W]
2" Bronze Combo Scoop Thru-Hull w/Nut Features:Designed for increased flow compared to standard Thru HullsNPSM / NPT combination threadC83600 BronzeSpecifications:Thread NPS: 2" Specifications:Hose...
![GROCO 1-1\/2" Bronze Combo Scoop Thru-Hull w\/Nut [STH-1500-W]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16151/20306/75333XL__73989.1677991505.jpg?c=1 "GROCO 1-1\/2\" Bronze Combo Scoop Thru-Hull w\/Nut [STH-1500-W]")
GROCO
GROCO 1-1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-1500-W]
1-1/2" Bronze Combo Scoop Thru-Hull w/Nut Features:Designed for increased flow compared to standard Thru HullsNPSM / NPT combination threadC83600 BronzeSpecifications:Thread NPS: 1-1/2"...
![GROCO 1-1\/4" Bronze Combo Scoop Thru-Hull w\/Nut [STH-1250-W]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16150/20305/75332XL__40224.1677991502.jpg?c=1 "GROCO 1-1\/4\" Bronze Combo Scoop Thru-Hull w\/Nut [STH-1250-W]")
GROCO
GROCO 1-1/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-1250-W]
1-1/4" Bronze Combo Scoop Thru-Hull w/Nut Features:Designed for increased flow compared to standard Thru HullsNPSM / NPT combination threadC83600 BronzeSpecifications:Thread NPS: 1-1/4"...
![GROCO 1" Bronze Combo Scoop Thru-Hull w\/Nut [STH-1000-W]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16149/20304/75331XL__12390.1677991500.jpg?c=1 "GROCO 1\" Bronze Combo Scoop Thru-Hull w\/Nut [STH-1000-W]")
GROCO
GROCO 1" Bronze Combo Scoop Thru-Hull w/Nut [STH-1000-W]
1" Bronze Combo Scoop Thru-Hull w/Nut Features:Designed for increased flow compared to standard Thru HullsNPSM / NPT combination threadC83600 BronzeSpecifications:Thread NPS: 1" Specifications:Hose...
![GROCO 3\/4" Bronze Combo Scoop Thru-Hull w\/Nut [STH-750-W]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16148/20303/75330XL__16011.1677991498.jpg?c=1 "GROCO 3\/4\" Bronze Combo Scoop Thru-Hull w\/Nut [STH-750-W]")
GROCO
GROCO 3/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-750-W]
3/4" Bronze Combo Scoop Thru-Hull w/Nut Features:Designed for increased flow compared to standard Thru HullsNPSM / NPT combination threadC83600 BronzeSpecifications:Thread NPS: 3/4"...
![GROCO 1\/2" Bronze Combo Scoop Thru-Hull w\/Nut [STH-500-W]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16147/20302/75329XL__76017.1677991496.jpg?c=1 "GROCO 1\/2\" Bronze Combo Scoop Thru-Hull w\/Nut [STH-500-W]")
GROCO
GROCO 1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-500-W]
1/2" Bronze Combo Scoop Thru-Hull w/NutFeatures:Designed for increased flow compared to standard Thru HullsNPSM / NPT combination threadC83600 BronzeSpecifications:Thread NPS: 1/2"...
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 2" [HTH-2000-S]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16068/20195/75229XL__81490.1677991302.jpg?c=1 "GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 2\" [HTH-2000-S]")
GROCO
GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 2" [HTH-2000-S]
Stainless Steel Hose Barb Thru-Hull Fitting - 2" Features:NPS Thread With Hose Connection#316 Stainless SteelUL Listed 647B Specifications:Hose Size: 2"Material: Stainless SteelBox Dimensions: 5"H x...
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1\/2" [HTH-1500-S]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16067/20194/75228XL__90048.1677991300.jpg?c=1 "GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1\/2\" [HTH-1500-S]")
GROCO
GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500-S]
Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" Features:NPS Thread With Hose Connection#316 Stainless SteelUL Listed 647B Specifications:Hose Size: 1-1/2"Material: Stainless SteelBox...
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1\/4" [HTH-1250-S]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16066/20193/75227XL__21465.1677991298.jpg?c=1 "GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1\/4\" [HTH-1250-S]")
GROCO
GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250-S]
Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/4" Features:NPS Thread With Hose Connection#316 Stainless SteelUL Listed 647B Specifications:Hose Size: 1-1/4"Material: Stainless SteelBox...
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1\/8" [HTH-1125-S]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16065/20192/75226XL__87564.1677991295.jpg?c=1 "GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1\/8\" [HTH-1125-S]")
GROCO
GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/8" [HTH-1125-S]
Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/8" Features:NPS Thread With Hose Connection#316 Stainless SteelUL Listed 647B Specifications:Hose Size: 1-1/8"Material: Stainless SteelBox...
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1" [HTH-1000-S]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16064/20191/75225XL__53771.1677991293.jpg?c=1 "GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1\" [HTH-1000-S]")
GROCO
GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1" [HTH-1000-S]
Stainless Steel Hose Barb Thru-Hull Fitting - 1" Features:NPS Thread With Hose Connection#316 Stainless SteelUL Listed 647B Specifications:Hose Size: 1"Material: Stainless SteelBox Dimensions: 3"H x...
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 3\/4" [HTH-750-S]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16063/20190/75224XL__09144.1677991291.jpg?c=1 "GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 3\/4\" [HTH-750-S]")
GROCO
GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 3/4" [HTH-750-S]
Stainless Steel Hose Barb Thru-Hull Fitting - 3/4" Features:NPS Thread With Hose Connection#316 Stainless SteelUL Listed 647B Specifications:Hose Size: 3/4"Material: Stainless SteelBox Dimensions:...
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 5\/8" [HTH-625-S]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16062/20189/75223XL__04512.1677991289.jpg?c=1 "GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 5\/8\" [HTH-625-S]")
GROCO
GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 5/8" [HTH-625-S]
Stainless Steel Hose Barb Thru-Hull Fitting - 5/8" Features:NPS Thread With Hose Connection#316 Stainless SteelUL Listed 647B Specifications:Hose Size: 5/8"Material: Stainless SteelBox Dimensions:...
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1\/2" [HTH-500-S]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16061/20188/75222XL__58369.1677991287.jpg?c=1 "GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1\/2\" [HTH-500-S]")
GROCO
GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" [HTH-500-S]
Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" Features:NPS Thread With Hose Connection#316 Stainless SteelUL Listed 647B Specifications:Hose Size: 1/2"Material: Stainless SteelBox Dimensions:...
![GROCO Bronze Hose Barb Thru-Hull Fitting - 2" [HTH-2000]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16060/20187/75221XL__56040.1677991285.jpg?c=1 "GROCO Bronze Hose Barb Thru-Hull Fitting - 2\" [HTH-2000]")
GROCO
GROCO Bronze Hose Barb Thru-Hull Fitting - 2" [HTH-2000]
Bronze Hose Barb Thru-Hull Fitting - 2" Features:NPS Thread With Hose ConnectionC83600 BronzeUL Listed 647B Specifications:Hose Size: 2"Material: BronzeBox Dimensions: 4"H x 4"W x 5"L WT: 1.65...
![GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1\/2" [HTH-1500]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16059/20186/75220XL__40138.1677991283.jpg?c=1 "GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1\/2\" [HTH-1500]")
GROCO
GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500]
Bronze Hose Barb Thru-Hull Fitting - 1-1/2" Features:NPS Thread With Hose ConnectionC83600 BronzeUL Listed 647B Specifications:Hose Size: 1-1/2"Material: BronzeBox Dimensions: 3"H x 3"W x 4"L WT: 1...
![GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1\/4" [HTH-1250]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/16058/20185/75219XL__80601.1677991281.jpg?c=1 "GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1\/4\" [HTH-1250]")
GROCO
GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250]
Bronze Hose Barb Thru-Hull Fitting - 1-1/4" Features:NPS Thread With Hose ConnectionC83600 BronzeUL Listed 647B Specifications:Hose Size: 1-1/4"Material: BronzeBox Dimensions: 3"H x 3"W x 4"L WT: 1...