8mm Hunt Finned Shafts

Technical description of Blackout shaft
The Blackout shaft is made in 17.4 PH rebored
Is made by 17.4 PH bars certificated by steelwork; straight and smooth
The Blackout shaft is C.N.C. machined
The Blackout shaft has 4 fins, 3 backwards and one for preloading for diameters 7, 7.5, 8
The Blackout shaft stands out for fins position, like shark fin, at 60/90/120/360 mm from the bottom of the shaft.
The fins have no corners and are perfect both for dyneema use and for othe kind of wishbones
“Shark fin” tips are TIG welded and create a stiffening bridge on the shaft, inscreasing its balistic performances.
It’s a shaft for powerful spearguns, it has a sharpen tricuspid point and the 1.2mm thick barb, very strong and mounted with a special pin, high strength d. 2.5 mm TIG welded in a very accurated way.
Penetration cone included.
The barb is very smooth and polished for fish integrity.
The welded pin allows to have the maximum hold because the welding itself creates a reticular connection between barb and pin, avoiding the ovalization of the hole, also with wide loads.