Aerofoils Spare Screws Set Board — Overview
Set of 6 original M6 × 20 mm stainless steel screws used to mount the Aerofoils Audi e-tron eFoil drive unit to the board. After extended saltwater use it is normal to replace mounting hardware to prevent corrosion-related thread issues — keep a fresh set in your service kit.
Original Aerofoils Hardware
These are the original M6 × 20 mm screws supplied by Aerofoils for the drive-unit-to-board mount. Matching the original spec ensures correct thread depth and proper torque seat in the board insert.
Stainless Steel for Saltwater
Stainless steel resists saltwater corrosion well, but periodic replacement after visible signs of wear keeps the mounting reliable for many seasons.
Service-Kit Standard
Keep a fresh set in your eFoil service kit so you always have replacement hardware on hand for the board mount.
Spare Screws Board Details & Technical Specifications
| Quantity | 6 pieces |
|---|---|
| Specification | M6 × 20 mm |
| Material | Stainless steel (saltwater-grade) |
| Use Case | Drive-unit-to-board mount — routine replacement, corrosion prevention |
| Compatibility | All Aerofoils Audi e-tron eFoil boards (Adventure / Performance / Competition / Hyperfly / Airfly) |
Board Screws vs. Wing Screws
Aerofoils uses two different screw sets in the eFoil platform — do not mix them.
| Board Screws (this product) | Wing Screws | |
|---|---|---|
| Quantity | 6 pieces | 3 pieces |
| Specification | M6 × 20 mm | M6 × 30 mm |
| Mount | Drive unit to board | Wing to mast / drive unit |
| Material | Stainless steel | Stainless steel |
Who is the Aerofoils Spare Screws Set Board for?
The Board Screws Set serves a clearly defined audience:
- Aerofoils Audi e-tron eFoil owners who follow a routine maintenance routine and replace mounting hardware after visible wear or once a season
- eFoil schools, charter operators and rental fleets that service multiple boards and keep spare hardware on hand for fast turn-around between sessions
- Riders who use the board in salt water frequently and proactively replace mounting screws before corrosion causes thread issues
- Owners who lost individual screws during a setup or transport and need a full replacement set
FAQ — Fit, Replacement & Care
Who is the Aerofoils Spare Screws Set Board for?
Aerofoils Audi e-tron eFoil owners with a routine maintenance routine, schools / rental fleets servicing multiple boards, frequent salt-water riders proactively preventing corrosion, and owners replacing lost or worn individual screws.
When should I replace these screws?
After visible corrosion, when threads become tight or every season as routine maintenance. Stainless steel resists saltwater well, but routine replacement keeps the mounting reliable.
Do I need this set if I also need wing screws?
No — wing mounting uses different screws (M6 × 30 mm). See Aerofoils Spare Screws Set Wing (3× M6×30).
Why stainless steel?
Stainless steel resists saltwater corrosion much better than carbon steel — the right choice for any marine hardware that comes into repeated contact with salt water.
Are these standard hardware-store M6 screws?
They share the M6 × 20 mm spec, but Aerofoils supplies the original screws to ensure correct head shape, thread profile and material quality for the board insert.
How many screws come in the set?
Six pieces — the full board-mount set for the Aerofoils Audi e-tron eFoil drive unit.
Can I use these screws on the rigid boards AND the inflatable Hyperfly / Airfly?
Yes — the drive-unit-to-board mount uses the same M6 × 20 mm hardware across all Aerofoils Audi e-tron eFoil boards.
How do I store spare screws between uses?
Keep them dry in their original packaging or in a small parts box in your eFoil service kit. Stainless steel is corrosion-resistant but stays in best condition when stored dry.
What tool do I need to install them?
Standard hex / Allen key matching the screw head — the same tool you use to remove the existing mounting hardware.
Should I apply any thread lubricant?
A small amount of marine-grade anti-seize compound on the threads is good practice for salt-water hardware and helps with future removal.
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