Armstrong Titanium T Nut Set - M6

The Armstrong Titanium T Nut Set - M6 is a four-piece hardware kit designed to secure an Armstrong foil mast to a board's foil track. Each set includes four titanium T-nuts, four bi-directional titanium washers, and four M6 x 25mm Torx T30 stainless steel 316L screws. Armstrong engineered these components specifically for the mast-to-board connection point, using titanium for the nuts and washers and marine-grade 316L stainless steel for the screws. The bi-directional washer design allows installation in either orientation, simplifying assembly on the water.

Titanium and 316L stainless steel are chosen for their resistance to saltwater corrosion. Unlike standard steel hardware that can rust, seize, or strip over time, this combination is built to hold up in repeated saltwater exposure without corroding or fusing together. Armstrong does recommend replacing the screws annually, as repeated tightening cycles will gradually reduce their clamping strength even if corrosion is not a factor.

• Thread size: M6
• Screw length: 25 mm
• Screw head: Torx T30
• T-nut material: Titanium
• Washer material: Titanium (bi-directional)
• Screw material: Stainless steel 316L
• Quantity: 4 T-nuts, 4 washers, 4 screws

This set is relevant to any Armstrong foil rider who wants a corrosion-resistant mast mounting solution. It suits riders in saltwater environments especially well, where standard hardware tends to seize after a few sessions. Whether you are replacing worn or corroded stock hardware or upgrading from a basic stainless set, the titanium T-nuts and washers offer a longer service life and easier disassembly between sessions.

Riders who frequently swap masts between boards or travel to coastal locations will benefit most from hardware that does not freeze up or require penetrating oil to remove. The set covers the four mounting points of a standard Armstrong mast plate, so one kit is all that is needed per board.

Armstrong offers both stainless steel and titanium versions of their foil mounting hardware. The titanium set sits at the premium end, priced higher than the standard stainless steel hardware kit but delivering improved corrosion resistance and reduced weight at the connection point. Both sets use the same M6 x 25mm screw dimension and T30 Torx drive, so they are interchangeable on the same mast and board.

For riders on other foil platforms, Armstrong also produces a generic titanium T-nut set with dome-head screws that fits non-Armstrong foil tracks. If you are running an Armstrong mast on an Armstrong board, this M6 set with the Torx-head screws is the brand-matched option.