INDCO Inc. offers a variety of mixing equipment, mixing tanks & related accessories. In July 2012, INDCO’s most popular item sold was the AP129 aluminum mixing propeller. This 12″ diameter 319 alloy aluminum 3-blade propeller with 1-1/4″ bore is an economical, light-weight choice when resistance to corrosion is not critical. The square pitch left hand design produces downward fluid motion with clockwise rotation as viewed from above. The aluminum propellers are sand cast, roto tumbled and finish machined to tight tolerances. Dual set screws positioned ninety degrees apart securely fasten the propeller to your mixer shaft yet allow for adjustment in position. A variety of custom options such as keyways, clipping, cutting, pitch changes and metric bores or set screws are available. Hastelloy and 316L stainless steel propellers are also available. Count on INDCO for the highest quality industrial propellers available.