Aliexpress
Click here… to search for 60pcs Replacement Titanium Blades Screws Set For Husqvarna Gardena Mower [EU] on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. I don’t know if this is a good price – number of records in my database is too low! Well, there is one coupon available right now.
Link: Banggood product page
Coupon (11.83 USD): BG589b2e
(CouponsFromChina.com tip: you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGbe966a, BGGines, BG488e68, BGTools8, BGHTT15
(these coupons are old, so probably won’t work)
Price history and price alert
There is only one database record (it was for 6.99 USD), so you can’t see price history chart.
You can set price alert (for Banggood).