You can create price alert here, copy coupons and view price history. What is the best price?
Box Size: 10.7*6.8*1.4cm, 18 Types, Each type about 27pcs, Suitable for repairing mobile phones / computers / watches / etc., Total about 500pcs/set
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
500Pcs DIY 18 Types Mini Screw Nuts Kit, Accessories Durable Universal Stainless | $4.27 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($8.31): BGGines
2. ($8.68): BG00c906
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGPTL088, BGHT15, BGPHOOL8, BGHPT15
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for 500Pcs Durable Mini Screw DIY Kit.
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)).