I only have 1.5 holes in 3/8" cast iron. Tried slow speeds, high speeds, let the drill sit and cool, used it off for 4 days to not to overload him, and got ONLY 1.5 holes with almost no cast iron.Not worth the price.
πͺ Durable DEWALT DW3986C Portable Blade 3 Pack for Efficient Cutting
10 Review
Enhanced Cutting Efficiency with Olson FB23370DB 0 025 2 Inch Blade
10 Review
POWERTEC 62-Inch 8-Inch Blade - Model 13132X
12 Review
πͺ Bi-Metal Cutting Blades: Imachinist S933414 - Enhancing Precision and Performance
10 Review