$14.94 – Drillpro 50Pcs 1/1.5/2/2.5/3mm HSS Titanium Coated Twist Drills (Banggood, Aliexpress: Drillpro 50PCS 1/1.5/2/2.5/3mm HSS Titanium Coated Twist Drill Bits High Speed Steel Drill Bit Set (the best price with coupon)).
ATM you can buy Drillpro 50Pcs 1/1.5/2/2.5/3mm HSS Titanium Coated Twist Drills for $14.94 (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Latest price update (UTC time):
Banggood ($14.94)
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update. Low/high price? Well, this price is higher than average price ($9.31)
Link: Banggood product page
Price: $14.94
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG589b2e, BG20236Tool
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for Drillpro 50Pcs 1/1.5/2/2.5/3mm HSS Titanium Coated Twist Drills. The lowest price was: $6.63.
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)).