Cheaper than your lunch: just $6.99 (with coupon from Banggood). Updated: 28-01-2026.
280/Pcs Aluminum Flat Washer Gasket Set M5/6/8/10/12/14/16/20 Flat Ring
Banggood warehouse: China.
Well, according to CouponsFromChina database this price is the best in history (2 records).
Price: $6.99
Additional Banggood coupons:
1. First page
2. Second page
Aliexpress
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Price history and price alert
Check out price history chart (for all/most countries) for 280/Pcs Aluminum Flat Washer Gasket Set. The lowest price was: $6.99.
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)).