Sheet metal blades Type 30NT, 45NT and 60NT

This elliptic blade has no rivets and is composed of two pre-coated and press folded aluminum sheets, roll-pressed around an internal extruded aluminum profile. At the two ends, the blade is closed with reinforced nylon6 caps pressure-blocked for the 30NT model and screwed for the 45NT. For the 60NT blade, the end caps are in die cast and coated aluminum.