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Most hydrofoils currently use either M6 M7 or M8 screws to attach the mast to the board, these are 6mm, 7mm and 8mm in diameter respectively. Armstrong's new Performance series masts use M7 screws. Then, there are two types of screws in each of these sizes...flat head (countersunk) or button head. To measure the length of a flat head countersunk screw, measure the complete length, including the head. For a button head screw, measure the length from under the head only. It is recommended that you measure the screws you are currently using prior to ordering. There really are no "standard" length screws because there are so many variations in equipment. Our wingscrews are designated as the size of screw they are designed to replace. The picture shown on the product page is the actual item listed. If you are unsure about what to order, please contact us and we will be happy to help.
Why don't my wingscrews align with the centerline of my mast, i.e. in line with the water flow?
Our wingscrews are really just like any type of ordinary screw...the position in which they end up when tightened is completely random. Please do not use any tools to tighten your wingscrews! This may damage them and this type of damage is not covered under warranty. It is likely possible to improve the wingscrew alignment by swapping them amongst the 4 positions on the mast and/or swapping them over to different t-nuts, however, perfect alignment on all 4 screws is highly unlikely. Our product testers and some of our first customers say they haven't noticed any increase in drag while paddling. Once off the water, drag created by the wingscrews shouldn't be an issue for most.
These wingscrews are made from aluminum and stainless steel. The wingnut portion is CNC machined from 6061 aluminum. The screw is stainless steel, usually either 18-8 or 316 alloy. The two parts are bonded together with a high strength retaining compound so they function as a single unit.
By accessing, browsing or purchasing from kitepower.com.au you signify your acceptance of the following (and reasonable) shipping & returns policy:
In most cases, goods are delivered to you by Australia Post. Items valued at over $100 are sent by Registered Post or Courier - which will require a signature on delivery (so someone needs to be at the shipping address to sign during normal business hours).
We offer free shipping on orders valued over $200 (a signature is required). Items longer than 1m or heavier than 10kg may need to be sent via a Courier, and cannot be sent to a PO Box. We will contact you if this is the case, and you will need to provide a daytime address where someone can sign for the goods upon delivery.
If you return an item that was shipped for free and because you changed you mind, we will deduct a reasonable shipping fee from the refund for the item you returned.
*Free Shipping excludes: certain large items, like surfboards wing/sup foil boards and large bulky items like travel bags.
Shipping to Remote locations:
If you purchase a bulky item* and are located in a remote location we will most likely contact you via phone or email to settle on a shipping fee.
In general, if the shipping fee comes out to be more than 10% (full price) or 5% (sale price) of the value of the order we will ask you to pay the difference.
Eg.
For full priced orders, if an order has a value of $500 and the most affordable shipping option available is $60 we will request $10 for shipping.
For sale priced orders, if an order has a value of $500 and the most affordable shipping option available is $60 we will request $35 for shipping.
*defined as having a packing length longer than 105cm and/or heavier than 2kgs.