wawoodman
Hot Rolled
- Joined
- Jun 23, 2006
- Location
- Seattle, WA
My morning for questions, I guess.
Why CAN'T you use a hand reamer under power?
Why CAN'T you use a hand reamer under power?
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The flutes are not concentric to the shank you will chuck on. Yes you can use them, they are made of high speed steel, but expect run out, mishapened holes, rough finish, cutting on only some of the flutes ect ect bla bla bla.
Regards,
John
The flutes are not concentric to the shank you will chuck on. Yes you can use them, they are made of high speed steel, but expect run out, mishapened holes, rough finish, cutting on only some of the flutes ect ect bla bla bla.
Regards,
John
Technically no center mark on most of them but in 30+ years of using tools in the trade (Tool & Mold Maker) I have never seen a hand reamer that did not have a center point at least. I was told when I was an apprentice thats how you identified a hand reamer was by the point on the tip. That point is how the reamer was accurately held to grind the flutes and to size it. In this day and age, hand reamers do quite a bit of the time have a center dimple for holding them between centers. Check out this link.I would not say that I heard that hand reamers are not ground concentric to the shank. it is more like a twenty-five years in the trade thing.
Another difference between a hand reamer and a machine reamer, no center for regrinding.
Regards,
John
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