$22.99 – 3PCS High-Speed Steel Step Drill Bit Set M35 Cobalt HSS Hex Shank 1/8″ to 7/8″ Multi-Size for Metal Wood Plastic Stainless Steel Aluminum – 3PCS.
According to my DB the lowest price is $22.99 for 3Pcs High-Speed Steel Step Drill Bit Set M35 (in Banggood). Get coupons, create price alert or check price history out! What is best price?
Latest price update (UTC time):
Banggood ($22.99)
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood. Isn’t it too expensive? From what I can see this price is higher than average price ($21.89).
Link: Banggood product page
Price: $22.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGbe98b2, BG79fa09
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for 3Pcs High-Speed Steel Step Drill Bit Set M35. The lowest price was: $20.79.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).