Prop Nut Brass Castle Nut For 1" or 1-1/8" Inboard Shafts Slotted Castle Nut
$19.00
Competitor Price:
$21.95
Inboard Castle Nut - Fits 1" or 1-1/8" shafts.
3/4-10 thread
Fits 1" or 1-1/8" shafts.
This castle nut can be replaced with a Nylock nut by clicking HERE.
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Brass propeller castle nut
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Thread size is 3/4-10 pitch
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Standard size for 1 inch and 1 1/8 inch diameter propeller shaft
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Nut hex size is 1 3/16 inch
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Commonly used in older inboard boats and some tow boat applications
Note, if you replace your castle nut with the Nylock Nut, the Nylock Nut will cover up the cotter pin hole as it will no longer be needed and highly recommended over the slotted castle nut!
Most in-stock orders ship within 24 hours. Orders placed by 1:00 PM EST typically ship the same business day, subject to availability.
Average delivery time within the Continental U.S. is 3–7 business days.
Expedited shipping options are available on select products. Weekend delivery is not available.
Oversized items, drop-shipped products, and shipments to Alaska, Hawaii, or international destinations may require additional time or shipping costs.
Tracking information is emailed once your order ships.