$14.99 – Drillpro DB-T2 13pcs 1.5-6.5mm HSS Titanium Coated 1/4 Inch Hex Shank Twist Drill Bit Set.
Latest update shows that Drillpro DB-T2 13pcs 1.5-6.5mm HSS Titanium Coated 1/4 Inch Drill Set costs $14.99 (in Banggood). Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Latest coupon code price check (UTC time):
Banggood ($14.99)
Banggood warehouse is located in China. There is no active coupon in my database right now (for Banggood). Low/high price? This price is higher than average price ($7.12) for this item.
Link: Banggood product page
Price: $14.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG589b2e, BGd2f208, BGHTT15, BG20236Tool
(probably won’t work, but you can try them out)
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 Drillpro DB-T2 13pcs 1.5-6.5mm HSS Titanium Coated 1/4 Inch Drill Set. The lowest price was: $4.55.
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)).