Over the past 10 years I've bought several sets of cheap countersink bits. None of them were good, but they cut beautifully and left smooth, clean countersinks. They fall into the category " Buy once, cry once." Now every time I use them I can't help but smile.
POWERTEC 62-Inch 8-Inch Blade - Model 13132X
12 Review
πͺ Bi-Metal Cutting Blades: Imachinist S933414 - Enhancing Precision and Performance
10 Review
πͺ DEWALT DW3984C Portable Blade Set of 3-Pack
10 Review
πͺ Durable DEWALT DW3986C Portable Blade 3 Pack for Efficient Cutting
10 Review