Aliexpress
Click here… to search for Drillpro 6Pcs HSS Titanium Coated Step Drill Bit [EU] on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
. There’s only 1 record in my database, so I have no idea if the price is OK. There is one great coupon!
Link: Banggood product page
Coupon (21.95 USD): BGGines
(CouponsFromChina.com tip: just apply this code 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): BG0f545a, BGDRB18, BG0fc370, BGibuyIL499, BGe6af7d, BGecabf4, BGf2d7a6, BG358c6f, BG62e02d
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
It’s a new item in our database, so I can’t create price history chart. We have saved this price in database: 14.99 USD.
You can set price alert (for Banggood).