Select Hydrofoils Fin Screw and Nut for US Box M4 x 20mm
Select Hydrofoils Fin Screw and Nut for US Box M4 x 20mm

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Select Hydrofoils Fin Screw and Nut for US Box M4 x 20mm

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UPC:
5055122979357
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Select Hydrofoils Fin Screw and Nut for US Box fin which are counter-bored to 7mm Dia to give a flush screw fit, or which have a flat surface which leave the head in the water flow.  A replacement Screw and Nut for …

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Product Details

Select Hydrofoils Fin Screw and Nut for US Box fin which are counter-bored to 7mm Dia to give a flush screw fit, or which have a flat surface which leave the head in the water flow. 

A replacement Screw and Nut for most US box fins that have a counter-bore, so the head sits out of the water flow for better Hydrodynamic performance.

This is standard on the more performance orientated fins like those from Select and Drake.

It can also be used on fins that have flat upper surface and require a 4mm screw.

Brass M4 Nut is 4.5mm thick x 14mm square

Slotted Cheese Head Stainless Steel Screw with a Head O.D. of 6.8mm and depth of 2.6mm - M4 thread  length 20mm.

Warranty Information
1 Year
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Select Hydrofoils Fin Screw and Nut for US Box M4 x 20mm

£3.00