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Add to CartGroco TH Series Thru Hulls are constructed of C83600 bronze and feature a NPSM / NPT combination thread. These thru hulls are available in a variety of sizes and come with a nut included.
Specifications:
| Part Number | Thread NPS | A | B | C | Weight (w/ Nut) |
| TH-750W | 3/4" | 2.20" | 0.30" | 1.90" | 0.50 lbs. |
| TH-1000W | 1" | 2.85" | 0.30" | 2.32" | 0.70 lbs. |
| TH-1250W | 1-1/4" | 2.90" | 0.30" | 2.62" | 1.20 lbs. |
| TH-1500W | 1-1/2" | 3.15" | 0.30" | 2.89" | 1.50 lbs. |
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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