Ingot Marine Propeller Shafts

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Ingot Marine Propeller shafts undergo more quality controls than any competing brand. These prop shafts are used in a wide variety of applications such as workboats, pleasure craft, naval vessels, and pumps. Ingot Marine produces a rounder, straighter, stronger shaft. All of our Ingot Marine propeller shafts from 3/4" - 4" diameter are precision machined in our Harrison CNC turning lathe to insure all machining is within .0005".

Single Tapered Shafts A19
All single tapered A19 stainless steel shafts will have a propeller taper machine according to SAE J755 specifications unless other instructions are given. In addition to the propeller taper machining, a single square keyway will be machined for the coupling end of the shaft. The dimples for the set screws can only be machined with the coupling in place. If you purchase a coupling from us, there will be a $120.00 to fit and face the coupling to the shaft and during this process, the dimples for the set screws will be completed.

Double Tapered Shafts A19
All double tapered stainless shafts will have a propeller taper machine according to SAE J755 specifications, unless other instructions are given. In order for us to machine the coupling taper, we will require either a drawing of the coupling taper or the following dimensions must be specified(as there is not an SAE standard for coupling tapers and these tapers do vary); length of taper, small end diameter of taper, and length and size of threads.

Custom Dimensions
Please note that our single-taper machining follows the SAE J755 specification.  In addition, our CNC engineers can provide a wide array of custom shaft dimensions.  For non-standard dimensions and double-tapered shafts, our engineers will be more than happy to review your dimensions to ensure the proper fit.

For diameters greater than 3 ½” and lengths greater than 6m , or custom specifications, please feel free to contact our shaft specialists at 07 3390 5588

Additional information




1 1/2", 1 1/4", 1 3/4", 1", 2 1/2", 2 1/4", 2 3/4", 2", 3 1/2", 3 1/4", 3"


Double, Single


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