We use cookies to personalize content, interact with our analytics companies, advertising networks and cooperatives, and demographic companies, provide social media features, and to analyze our traffic. Our social media, advertising and analytics partners may combine it with other information that you’ve provided to them or that they’ve collected from your use of their services. Learn more.
I also buy inexpensive carbide bulk 1/8 inch bits from amazon. The lengths vary a bit on these, but the diameters have been dead-on. These bulk bits do have a fair lifetime, but the inexpensive cost means that I can easily toss a bit when I even think it is getting dull.