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Aquarium Bulkheads

We have a complete selection of bulkheads in both schedule 40 and schedule 80. What bulkhead hole size is required? This is a common question we get so here is a chart to help you choose the correct bulkhead for your aquarium. This will also help you with the correct bulkhead hole size if you are doing a DIY aquarium project.

Schedule 40 Hole Sizes (Standard)
1/2" Bulkhead needs a 1-1/8" Hole
3/4" Bulkhead needs a 1-1/2" Hole
1" Bulkhead needs a 1-3/4" Hole
1-1/2" Bulkhead needs a 2-3/8" Hole
2" Bulkhead needs a 3" Hole 		Schedule 80 Hole Sizes (Heavy Duty)
1/2" Bulkhead needs a 1-3/8" Hole
3/4" Bulkhead needs a 1-5/8" Hole
1" Bulkhead needs a 1-7/8" Hole
1-1/2" Bulkhead needs a 2-5/8" Hole
2" Bulkhead needs a 3-1/4" Hole
Schedule 40 Bulkhead 1/2 inch S X S Black
Schedule 40 Bulkhead 1/2 inch S X S Black
List Price: $5.99
Our Price: $3.99

Schedule 40 Bulkhead 3/4 inch S X S Black
Schedule 40 Bulkhead 3/4 inch S X S Black
List Price: $6.99
Our Price: $4.69

Schedule 40 Bulkhead 1 inch S X S Black
Schedule 40 Bulkhead 1 inch S X S Black
List Price: $6.99
Our Price: $4.89

Schedule 40 Bulkhead 1 1/2 inch S X S Black
Schedule 40 Bulkhead 1 1/2 inch S X S Black
List Price: $8.99
Our Price: $6.29

Schedule 40 Bulkhead 2 inch S X S Black
Schedule 40 Bulkhead 2 inch S X S Black
List Price: $10.99
Our Price: $7.99

Schedule 40 Bulkhead 1/2 inch T X S Black
Schedule 40 Bulkhead 1/2 inch T X S Black
List Price: $5.99
Our Price: $3.99

Schedule 40 Bulkhead 3/4 inch T X S Black
Schedule 40 Bulkhead 3/4 inch T X S Black
List Price: $6.99
Our Price: $4.69

Schedule 40 Bulkhead 1 inch T X S Black
Schedule 40 Bulkhead 1 inch T X S Black
List Price: $6.99
Our Price: $4.89

Schedule 40 Bulkhead 1 1/2 inch T X S Black
Schedule 40 Bulkhead 1 1/2 inch T X S Black
List Price: $8.99
Our Price: $6.29

Schedule 40 Bulkhead 2 inch T X S Black
Schedule 40 Bulkhead 2 inch T X S Black
List Price: $10.99
Our Price: $7.99

Schedule 40 Bulkhead 1/2 inch T X T Black
Schedule 40 Bulkhead 1/2 inch T X T Black
List Price: $5.99
Our Price: $3.99

Schedule 40 Bulkhead 3/4 inch T X T Black
Schedule 40 Bulkhead 3/4 inch T X T Black
List Price: $6.99
Our Price: $4.69

Schedule 40 Bulkhead 1 inch T X T Black
Schedule 40 Bulkhead 1 inch T X T Black
List Price: $6.99
Our Price: $4.89

Schedule 40 Bulkhead 1 1/2 inch T X T Black
Schedule 40 Bulkhead 1 1/2 inch T X T Black
List Price: $8.99
Our Price: $6.29

Schedule 40 Bulkhead 2 inch T X T Black
Schedule 40 Bulkhead 2 inch T X T Black
List Price: $10.99
Our Price: $7.99

Schedule 40 Bulkhead 1/2 inch S x T Black
Schedule 40 Bulkhead 1/2 inch S x T Black
List Price: $5.99
Our Price: $3.99

Schedule 40 Bulkhead 3/4 inch S x T Black
Schedule 40 Bulkhead 3/4 inch S x T Black
List Price: $6.99
Our Price: $4.69

Schedule 40 Bulkhead 1 inch S x T Black
Schedule 40 Bulkhead 1 inch S x T Black
List Price: $6.99
Our Price: $4.89

Schedule 40 Bulkhead 1 1/2 inch S x T Black
Schedule 40 Bulkhead 1 1/2 inch S x T Black
List Price: $8.99
Our Price: $6.29

Schedule 40 Bulkhead 2 inch S X T Black
Schedule 40 Bulkhead 2 inch S X T Black
List Price: $10.99
Our Price: $7.99

Schedule 80 Bulkhead 1/2 inch SxT
Schedule 80 Bulkhead 1/2 inch SxT
List Price: $12.99
Our Price: $9.79

Schedule 80 Bulkhead 3/4 inch SxT
Schedule 80 Bulkhead 3/4 inch SxT
List Price: $13.99
Our Price: $10.69

Schedule 80 Bulkhead 1 inch SxT
Schedule 80 Bulkhead 1 inch SxT
List Price: $14.99
Our Price: $10.99

Schedule 80 Bulkhead 1 1/4 inch SxT
Schedule 80 Bulkhead 1 1/4 inch SxT
List Price: $16.99
Our Price: $12.99

Schedule 80 Bulkhead 1 1/2 inch SxT
Schedule 80 Bulkhead 1 1/2 inch SxT
List Price: $18.99
Our Price: $13.99

Schedule 80 Bulkhead 2 inch SxT
Schedule 80 Bulkhead 2 inch SxT
List Price: $20.99
Our Price: $15.99

Schedule 80 Bulkhead 1/2 inch TxT
Schedule 80 Bulkhead 1/2 inch TxT
List Price: $14.99
Our Price: $10.99

Schedule 80 Bulkhead 3/4 inch TxT
Schedule 80 Bulkhead 3/4 inch TxT
List Price: $15.99
Our Price: $11.99

Schedule 80 Bulkhead 1 inch TxT
Schedule 80 Bulkhead 1 inch TxT
List Price: $16.99
Our Price: $12.99

Schedule 80 Bulkhead 1 1/4 inch TxT
Schedule 80 Bulkhead 1 1/4 inch TxT
List Price: $18.99
Our Price: $13.99

Schedule 80 Bulkhead 1 1/2 inch TxT
Schedule 80 Bulkhead 1 1/2 inch TxT
List Price: $18.99
Our Price: $13.99

Schedule 80 Bulkhead 2 inch TxT
Schedule 80 Bulkhead 2 inch TxT
List Price: $21.99
Our Price: $16.99