This range is aimed at maximum versatility for all sorts of planing boats . The pitch/dia. ratio of 1.4 gives good efficiency and speed for both submerged and surface drives. Several of these are available in right-hand (non-standard) rotation. Most can also be supplied with 3 blades as well. They correspond with the well - known 'X' type of racing prop. Prices include polishing and balancing.
The reference numbers for this range are: Diameter in mm followed by Pitch to Dia. ratio. Eg. prop ref 4014 has a dia of 40mm and a pitch of 56mm (40 x 1.4).
The typical thread types for these props are M5, 3/16" and 1/4" Dog drive (not recommended for Aluminium props). You can specify another thread type if you know exactly what you need.