SINOOUTPUT supply the bronze fixed and adjustable propeller with diameter 50-1500cm,3, 4,5 6blades. We design department could help customers to design propeller and stern shaft according to the boat drawings.
Regarding the propeller materials, to make sure the better qualtiy for customers, we usually do by materials bronze CU1, CU2, CU3, CU4, and list each difference.
Regarding the stern shaft type we could do oil lubricating and water lubricating model, and regarding the materials we usually do:
1, Stern shaft better quality materials 316/316L.
If customers special requirements, of course they are available:
2,carbon steel: the most economic materials for river navigation OK.
3,304 stainless steel: it is good,but less than SS316.
For the cutless bearing:
You just need let us know the inner diameter , outer diameter and height you need is ok, before produce we will share you drawings to check and confirm.