Schaftless Screws
A shaftless screw is a heavier-gauge helicoid flight that is produced to outside diameter and pitch specifications with an open centre. VisSansFin produces shaftless flight from a single bar or with an “inner and outer” flight construction consisting of multiple bars (stacked flight).
The flight is manufactured with two, three or more individual bars or a combination of helicoid and sectional flights. This offers increased cross-section strength and stiffness.
The multiple bars can be of different thickness and height or even different materials; for example, a carbon steel inner flight and abrasion-resistant outer flight.
We’re able to supply shaftless screws made mainly of carbon steel, abrasion-resistant steel or stainless steel and up to 250 Brinell hardness.
We have all machining and assembly capabilities needed to manufacture the most complex and demanding shaftless screws.
Features
OD outside diameter / ID inside diameter / THK thickness
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