Marine Propeller Shafting

Hydrasearch offers premium marine grade propeller shafting. Our standard grades are AQ19 and AQ22, which are both superior in corrosion resistance and strength as compared to standard 304 or 316 stainless steel. All shafts are precision machined to SAE specification J755.

SAE Specification J755
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Item #

Shaft Diameter (A)

Small End Diameter (B)

Taper Length (C)

Keyway Width (D)

Keyway Length (E)

Thread Size (F)

Shaft Dia 3/4 N/A 3/4 in N/A 0.625 in N/A 2 in N/A 3/16 in N/A 1-1/2 in N/A 1/2 in - 5
Shaft Dia 7/8 N/A 7/8 in N/A 0.727 in N/A 2-3/8 in N/A 1/4 in N/A 1-25/32 in N/A 5/8 in - 11
Shaft Dia 1 N/A 1 in N/A 0.828 in N/A 2-3/4 in N/A 1/4 in N/A 2-1/8 in N/A 3/4 in - 10
Shaft Dia 1-1/8 N/A 1-1/8 in N/A 0.930 in N/A 3-1/8 in N/A 1/4 in N/A 2-1/8 in N/A 3/4 in - 10
Shaft Dia 1-1/4 N/A 1-1/4 in N/A 1.033 in N/A 3-1/2 in N/A 5/16 in N/A 2-13/16 in N/A 7/8 in - 9
Shaft Dia 1-3/8 N/A 1-3/8 in N/A 1.133 in N/A 3-7/8 in N/A 5/16 in N/A 3-3/16 in N/A 1 in - 8
Shaft Dia 1-1/2 N/A 1-1/2 in N/A 1.234 in N/A 4-1/4 in N/A 3/8 in N/A 3-1/2 in N/A 1-1/8 in - 7
Shaft Dia 1-3/4 N/A 1-3/4 in N/A 1.438 in N/A 5 in N/A 7/16 in N/A 4-7/32 in N/A 1-1/4 in - 7
Shaft Dia 2 N/A 2 in N/A 1.641 in N/A 5-3/4 in N/A 1/2 in N/A 4-15/16 in N/A 1-1/2 in - 6
Shaft Dia 2-1/4 N/A 2-1/4 in N/A 1.844 in N/A 6-1/2 in N/A 9/16 in N/A 5-5/8 in N/A 1-3/4 in - 5
Shaft Dia 2-1/2 N/A 2-1/2 in N/A 2.047 in N/A 7-1/4 in N/A 5/8 in N/A 6-3/32 in N/A 1-3/4 in - 5
Shaft Dia 2-3/4 N/A 2-3/4 in N/A 2.258 in N/A 7-7/8 in N/A 5/8 in N/A 6-21/32 in N/A 2 in - 4-1/2
Shaft Dia 3 N/A 3 in N/A 2.461 in N/A 8-5/8 in N/A 3/4 in N/A 7-11/32 in N/A 2-1/4 in - 4-1/2
Shaft Dia 3-1/4 N/A 3-1/4 in N/A 2.661 in N/A 9-3/8 in N/A 3/4 in N/A 8-1/2 in N/A 2-1/2 in - 4
Shaft Dia 3-1/2 N/A 3-1/2 in N/A 2.867 in N/A 10-1/8 in N/A 7/8 in N/A 9-1/4 in N/A 2-1/2 in - 4
Shaft Dia 3-3/4 N/A 3-3/4 in N/A 3.070 in N/A 10-7/8 in N/A 7/8 in N/A 10 in N/A 2-3/4 in - 4
Shaft Dia 4 N/A 4 in N/A 3.273 in N/A 11-5/8 in N/A 1 in N/A 10-1/2 in N/A 3 in - 4
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