If you like throwing money in the trash then buy these bits. It does not matter at which speeds the device was used immediately. I only drilled a few small holes before they kept popping. Please look elsewhere.
Autotoolhome High-Speed Steel Straight Cutter
7 Review
πͺ Mcwdoit Titanium Cutting Engraving
8 Review
π² Precision Square Straight Cutter in Imperial Metric
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πͺ Carbide Coated SpeTool Flutes in Inches
POWERTEC 62-Inch 8-Inch Blade - Model 13132X
12 Review
Enhanced Cutting Efficiency with Olson FB23370DB 0 025 2 Inch Blade
10 Review
πͺ DEWALT DW3984C Portable Blade Set of 3-Pack
Chest freezer Biryusa 155KX, white
16 Review