KangTeerCarbide Burr 5pcs 12mm Dia 1/4 Shank Double Cut Tungsten Carbide Rotary File Cutting Burs Tool Rotary Drill Die Grinder Bits

use these for woodworking

essayé sur metal mou et fait la job

These carbide grinding bits eat metal like you can't believe. They'll last a long time if you treat them right. I use them steel and bronze to clean up welds. Doing the inside of a small hole is the only time I have ruined these bits quickly. If you're pressing hard and the bit jumps from one side of the hole to the other, then the shaft can bend. When that happens, you notice a bad vibration, and your bit is kaput. Time to get a new one. My advice is to take metal down slowly and lightly, if possible. I would not buy anything but a carbide bit. The ones you get from Harbor Freight are garbage. I keep several of these on hand just because they're so awesome and sometimes I absolutely need them because nothing else will do.

Exactly the tool I needed to make a DIY guitar kit behave--able to reach places a router won't go.Great value too.

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