I have what might be a stupid question. I am trying to cut out something in 3/4″ material (19mm, but I’m going down 20mm) and I hit the red collar on the bit. Can I just remove it? I can see that the spirals go all the way through the donut.
Without removing the donut, the length of the bit is about 16mm. In this picture, it’s a red donut:
You can try. I just ordered longer bits. I’ve not tried taking one off yet, but try not to use too much force, the bits are brittle!
I removed it. Nothing terrible happened.
I grabbed the shank with some flat pliers, and then the donut with some more pliers. I twisted it with the spiral, so that it was fighting to go toward the cutting end of the bit, and it came off pretty easily. I then cut to 20mm just fine. I think it was chattering a bit more, but maybe I’m just being sensitive. I ended up with a hopping kangaroo:
Good to know!
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